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CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are card ids, customer ids, card types, and card numbers for each customer card?
SELECT card_id , customer_id , card_type_code , card_number FROM Customers_cards
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the date valid from and the date valid to for the card with card number '4560596484842'.
SELECT date_valid_from , date_valid_to FROM Customers_cards WHERE card_number = "4560596484842"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the valid from and valid to dates for the card with the number 4560596484842?
SELECT date_valid_from , date_valid_to FROM Customers_cards WHERE card_number = "4560596484842"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the first name, last name, and phone of the customer with card 4560596484842.
SELECT T2.customer_first_name , T2.customer_last_name , T2.customer_phone FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T1.card_number = "4560596484842"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the full name and phone of the customer who has card number 4560596484842.
SELECT T2.customer_first_name , T2.customer_last_name , T2.customer_phone FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T1.card_number = "4560596484842"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
How many cards does customer Art Turcotte have?
SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Art" AND T2.customer_last_name = "Turcotte"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Count the number of cards the customer with the first name Art and last name Turcotte has.
SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Art" AND T2.customer_last_name = "Turcotte"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
How many debit cards do we have?
SELECT count(*) FROM Customers_cards WHERE card_type_code = "Debit"
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Count the number of customer cards of the type Debit.
SELECT count(*) FROM Customers_cards WHERE card_type_code = "Debit"
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
How many credit cards does customer Blanche Huels have?
SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Blanche" AND T2.customer_last_name = "Huels" AND T1.card_type_code = "Credit"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Count the number of credit cards that the customer with first name Blanche and last name Huels has.
SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Blanche" AND T2.customer_last_name = "Huels" AND T1.card_type_code = "Credit"
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show all customer ids and the number of cards owned by each customer.
SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different customer ids, and how many cards does each one hold?
SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the customer id with most number of cards, and how many does he have?
SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the id of the customer who has the most cards, as well as the number of cards.
SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show id, first and last names for all customers with at least two cards.
SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the ids and full names of customers who hold two or more cards?
SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the customer id, first and last name with least number of accounts.
SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1
extra
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the id and full name of the customer who has the fewest accounts.
SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1
extra
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show all card type codes and the number of cards in each type.
SELECT card_type_code , count(*) FROM Customers_cards GROUP BY card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different card types, and how many cards are there of each?
SELECT card_type_code , count(*) FROM Customers_cards GROUP BY card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the card type code with most number of cards?
SELECT card_type_code FROM Customers_cards GROUP BY card_type_code ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the code of the card type that is most common.
SELECT card_type_code FROM Customers_cards GROUP BY card_type_code ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show card type codes with at least 5 cards.
SELECT card_type_code FROM Customers_cards GROUP BY card_type_code HAVING count(*) >= 5
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the codes of card types that have 5 or more cards?
SELECT card_type_code FROM Customers_cards GROUP BY card_type_code HAVING count(*) >= 5
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show all card type codes and the number of customers holding cards in each type.
SELECT card_type_code , count(DISTINCT customer_id) FROM Customers_cards GROUP BY card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different card type codes, and how many different customers hold each type?
SELECT card_type_code , count(DISTINCT customer_id) FROM Customers_cards GROUP BY card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the customer ids and firstname without a credit card.
SELECT customer_id , customer_first_name FROM Customers EXCEPT SELECT T1.customer_id , T2.customer_first_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE card_type_code = "Credit"
extra
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the ids and first names of customers who do not hold a credit card?
SELECT customer_id , customer_first_name FROM Customers EXCEPT SELECT T1.customer_id , T2.customer_first_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE card_type_code = "Credit"
extra
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show all card type codes.
SELECT DISTINCT card_type_code FROM Customers_Cards
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different card type codes?
SELECT DISTINCT card_type_code FROM Customers_Cards
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the number of card types.
SELECT count(DISTINCT card_type_code) FROM Customers_Cards
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
How many different card types are there?
SELECT count(DISTINCT card_type_code) FROM Customers_Cards
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show all transaction types.
SELECT DISTINCT transaction_type FROM Financial_Transactions
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different types of transactions?
SELECT DISTINCT transaction_type FROM Financial_Transactions
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the number of transaction types.
SELECT count(DISTINCT transaction_type) FROM Financial_Transactions
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
How many different types of transactions are there?
SELECT count(DISTINCT transaction_type) FROM Financial_Transactions
easy
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the average and total transaction amount?
SELECT avg(transaction_amount) , sum(transaction_amount) FROM Financial_transactions
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the average transaction amount, as well as the total amount of all transactions.
SELECT avg(transaction_amount) , sum(transaction_amount) FROM Financial_transactions
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the card type codes and the number of transactions.
SELECT T2.card_type_code , count(*) FROM Financial_transactions AS T1 JOIN Customers_cards AS T2 ON T1.card_id = T2.card_id GROUP BY T2.card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different card types, and how many transactions have been made with each?
SELECT T2.card_type_code , count(*) FROM Financial_transactions AS T1 JOIN Customers_cards AS T2 ON T1.card_id = T2.card_id GROUP BY T2.card_type_code
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the transaction type and the number of transactions.
SELECT transaction_type , count(*) FROM Financial_transactions GROUP BY transaction_type
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different transaction types, and how many transactions of each have taken place?
SELECT transaction_type , count(*) FROM Financial_transactions GROUP BY transaction_type
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What is the transaction type that has processed the greatest total amount in transactions?
SELECT transaction_type FROM Financial_transactions GROUP BY transaction_type ORDER BY sum(transaction_amount) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Return the type of transaction with the highest total amount.
SELECT transaction_type FROM Financial_transactions GROUP BY transaction_type ORDER BY sum(transaction_amount) DESC LIMIT 1
hard
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
Show the account id and the number of transactions for each account
SELECT account_id , count(*) FROM Financial_transactions GROUP BY account_id
medium
CREATE TABLE Accounts (account_id number, customer_id number, account_name text, other_account_details text); CREATE TABLE Customers (customer_id number, customer_first_name text, customer_last_name text, customer_address text, customer_phone text, customer_email text, other_customer_details text); CREATE TABLE Customers_Cards (card_id number, customer_id number, card_type_code text, card_number text, date_valid_from time, date_valid_to time, other_card_details text); CREATE TABLE Financial_Transactions (transaction_id number, previous_transaction_id number, account_id number, card_id number, transaction_type text, transaction_date time, transaction_amount number, transaction_comment text, other_transaction_details text);
What are the different account ids that have made financial transactions, as well as how many transactions correspond to each?
SELECT account_id , count(*) FROM Financial_transactions GROUP BY account_id
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
How many tracks do we have?
SELECT count(*) FROM track
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Count the number of tracks.
SELECT count(*) FROM track
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name and location for all tracks.
SELECT name , LOCATION FROM track
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names and locations of all tracks?
SELECT name , LOCATION FROM track
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show names and seatings, ordered by seating for all tracks opened after 2000.
SELECT name , seating FROM track WHERE year_opened > 2000 ORDER BY seating
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names and seatings for all tracks opened after 2000, ordered by seating?
SELECT name , seating FROM track WHERE year_opened > 2000 ORDER BY seating
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What is the name, location and seating for the most recently opened track?
SELECT name , LOCATION , seating FROM track ORDER BY year_opened DESC LIMIT 1
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Return the name, location, and seating of the track that was opened in the most recent year.
SELECT name , LOCATION , seating FROM track ORDER BY year_opened DESC LIMIT 1
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What is the minimum, maximum, and average seating for all tracks.
SELECT min(seating) , max(seating) , avg(seating) FROM track
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Return the minimum, maximum, and average seating across all tracks.
SELECT min(seating) , max(seating) , avg(seating) FROM track
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name, location, open year for all tracks with a seating higher than the average.
SELECT name , LOCATION , year_opened FROM track WHERE seating > (SELECT avg(seating) FROM track)
extra
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names, locations, and years of opening for tracks with seating higher than average?
SELECT name , LOCATION , year_opened FROM track WHERE seating > (SELECT avg(seating) FROM track)
extra
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are distinct locations where tracks are located?
SELECT DISTINCT LOCATION FROM track
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Give the different locations of tracks.
SELECT DISTINCT LOCATION FROM track
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
How many races are there?
SELECT count(*) FROM race
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Count the number of races.
SELECT count(*) FROM race
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the distinct classes that races can have?
SELECT DISTINCT CLASS FROM race
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Return the different classes of races.
SELECT DISTINCT CLASS FROM race
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show name, class, and date for all races.
SELECT name , CLASS , date FROM race
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names, classes, and dates for all races?
SELECT name , CLASS , date FROM race
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the race class and number of races in each class.
SELECT CLASS , count(*) FROM race GROUP BY CLASS
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the different classes of races, and how many races correspond to each?
SELECT CLASS , count(*) FROM race GROUP BY CLASS
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What is the race class with most number of races.
SELECT CLASS FROM race GROUP BY CLASS ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Give the class of races that is most common.
SELECT CLASS FROM race GROUP BY CLASS ORDER BY count(*) DESC LIMIT 1
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
List the race class with at least two races.
SELECT CLASS FROM race GROUP BY CLASS HAVING count(*) >= 2
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the classes of races that have two or more corresponding races?
SELECT CLASS FROM race GROUP BY CLASS HAVING count(*) >= 2
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names for tracks without a race in class 'GT'.
SELECT name FROM track EXCEPT SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id WHERE T1.class = 'GT'
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Give the names of tracks that do not have a race in the class 'GT'.
SELECT name FROM track EXCEPT SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id WHERE T1.class = 'GT'
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show all track names that have had no races.
SELECT name FROM track WHERE track_id NOT IN (SELECT track_id FROM race)
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Return the names of tracks that have no had any races.
SELECT name FROM track WHERE track_id NOT IN (SELECT track_id FROM race)
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show year where a track with a seating at least 5000 opened and a track with seating no more than 4000 opened.
SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the years of opening for tracks with seating between 4000 and 5000?
SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000
easy
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name of track and the number of races in each track.
SELECT T2.name , count(*) FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names of different tracks, and how many races has each had?
SELECT T2.name , count(*) FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name of track with most number of races.
SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id ORDER BY count(*) DESC LIMIT 1
extra
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What is the name of the track that has had the greatest number of races?
SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id ORDER BY count(*) DESC LIMIT 1
extra
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name and date for each race and its track name.
SELECT T1.name , T1.date , T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names and dates of races, and the names of the tracks where they are held?
SELECT T1.name , T1.date , T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Show the name and location of track with 1 race.
SELECT T2.name , T2.location FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id HAVING count(*) = 1
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the names and locations of tracks that have had exactly 1 race?
SELECT T2.name , T2.location FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id HAVING count(*) = 1
medium
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
Find the locations where have both tracks with more than 90000 seats and tracks with less than 70000 seats.
SELECT LOCATION FROM track WHERE seating > 90000 INTERSECT SELECT LOCATION FROM track WHERE seating < 70000
hard
CREATE TABLE race (Race_ID number, Name text, Class text, Date text, Track_ID text); CREATE TABLE track (Track_ID number, Name text, Location text, Seating number, Year_Opened number);
What are the locations that have both tracks with more than 90000 seats, and tracks with fewer than 70000 seats?
SELECT LOCATION FROM track WHERE seating > 90000 INTERSECT SELECT LOCATION FROM track WHERE seating < 70000
hard
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
How many members have the black membership card?
SELECT count(*) FROM member WHERE Membership_card = 'Black'
easy
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Find the number of members living in each address.
SELECT count(*) , address FROM member GROUP BY address
medium
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Give me the names of members whose address is in Harford or Waterbury.
SELECT name FROM member WHERE address = 'Harford' OR address = 'Waterbury'
medium
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Find the ids and names of members who are under age 30 or with black membership card.
SELECT name , member_id FROM member WHERE Membership_card = 'Black' OR age < 30
extra
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Find the purchase time, age and address of each member, and show the results in the order of purchase time.
SELECT Time_of_purchase , age , address FROM member ORDER BY Time_of_purchase
medium
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Which membership card has more than 5 members?
SELECT Membership_card FROM member GROUP BY Membership_card HAVING count(*) > 5
easy
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Which address has both members younger than 30 and members older than 40?
SELECT address FROM member WHERE age < 30 INTERSECT SELECT address FROM member WHERE age > 40
hard
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
What is the membership card held by both members living in Hartford and ones living in Waterbury address?
SELECT membership_card FROM member WHERE address = 'Hartford' INTERSECT SELECT membership_card FROM member WHERE address = 'Waterbury'
hard
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
How many members are not living in Hartford?
SELECT count(*) FROM member WHERE address != 'Hartford'
easy
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Which address do not have any member with the black membership card?
SELECT address FROM member EXCEPT SELECT address FROM member WHERE Membership_card = 'Black'
hard
CREATE TABLE shop (Shop_ID number, Address text, Num_of_staff text, Score number, Open_Year text); CREATE TABLE member (Member_ID number, Name text, Membership_card text, Age number, Time_of_purchase number, Level_of_membership number, Address text); CREATE TABLE happy_hour (HH_ID number, Shop_ID number, Month text, Num_of_shaff_in_charge number); CREATE TABLE happy_hour_member (HH_ID number, Member_ID number, Total_amount number);
Show the shop addresses ordered by their opening year.
SELECT address FROM shop ORDER BY open_year
easy