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1
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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ูŠูˆู… ู‡ู†ูƒู…ู„ ููŠ chapter 5
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ู†ุชูƒู„ู… ุนู† ุงู„ select statement advanced select
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statement ุงุชูƒู„ู…ู†ุง ููŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ุณุงุจู‚ุฉ ุฃู† ุงุญู†ุง
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ู…ู…ูƒู† ู†ุญุท aliases ุงูˆ range variables ู„ู„ tables ููŠ ุงู„
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from clause ููŠ ุงู„ select ุนุดุงู† ู†ุณู‡ู‘ู„ ุนู„ูŠู†ุง ูƒุชุงุจุฉ
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ุงู„ query ุจุญูŠุซ ุฃู†ู‡ ู†ุญุตู„ ู†ุญุท ุงุฎุชุตุงุฑุงุช ุฒูŠ ู…ุง ุงุญู†ุง
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ุดุงูŠููŠู† ุงู„ S ู„ู„ sellers ูˆ ุงู„ R ู„ู„ reserves ูˆ
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ุงุชูƒู„ู…ู†ุง ุฅู†ู‡ ู‡ุฐุง ุงู„ุฃู…ุฑ optional ุงู„ุฎูŠุงุฑ ุจุฑุฌุน ุฅู„ูŠู†ุง
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ุจุณู‡ู„ ุนู„ูŠู†ุง ู„ูƒู† ุจูŠูƒูˆู† ุฅุฌุจุงุฑูŠ ููŠ ุญุงู„ุฉ ุงู„ู„ูŠ ู‡ูŠ ูŠุดู…ู„ ู…ุง
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ูŠูƒูˆู† ู†ูุณ ุงู„ุฌุฏูˆู„ ู‡ูŠู„ุฒู…ู†ูŠ ุงู† ุงูƒุฑุฑู‡ ุฃูƒุซุฑ ู…ู† ู…ุฑุฉ ููŠ ุงู„
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from clause ุจุตูŠุจ ุฏู…ูŠุฒ ุจูŠู† ุงู„ุฌุฏูˆู„ูŠู† ุจ two aliases
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ู…ุฎุชู„ููŠู† ู„ู†ูุณ ุงู„ุฌุฏูˆู„ ูˆ ุฃุฎุฏู†ุง ูƒูŠู ู†ุนู…ู„ evaluation
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ุงู„ู„ูŠ ู‡ูŠ ุงู„ conceptual query evaluation ูƒูŠู ุงุญู†ุง
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ุจู†ู‚ูŠู… ุงู„ query ุฃูˆ ุงู„ select statement ุงูŠุด ุงู„ู†ุงุชุฌ
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ุชุจุนู‡ุง ู‡ูŠูƒูˆู† ุญูƒูŠู†ุง ุจุชุชู… ุงู„ุนู…ู„ูŠุฉ ู…ู† ุฎู„ุงู„ ุฃุฑุจุน ุฎุทูˆุงุช
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ูˆ ุดุฑุญู†ุง ุงู„ุฃุฑุจุน ุฎุทูˆุงุช ุจุดูƒู„ ูƒุงู…ู„ ูˆ ุจุฏุฃู†ุง ู†ุงุฎุฏ ุฃู…ุซู„ุฉ
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ู…ู† ุถู…ู†ู‡ุง ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุงุญู†ุง ุดุงูŠููŠู†ู‡ ุงู†ู‡ ูƒูŠู ู…ู…ูƒู†
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ู†ูˆุฌุฏ name ู„ sailors ู„ุจุญุงุฑ ุงู„ู„ูŠ ุนู…ู„ ุญุฌุฒ ู„ boat ู„ูˆู†ู‡
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ุฃุญู…ุฑ
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ุงู„ููƒุฑุฉ ุฃู†ู‡ ุงู†ุง ู‡ุนู…ู„ ุดุฑูˆุท ููŠ ุงู„ qualification ููŠ ุงู„
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where ุจุญูŠุซ ุงู† ุงุฑุจุท ุงู„ primary key ูˆ ุงู„ foreign key
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00:01:51,580 --> 00:01:54,640
ุชุจุน ูƒู„ table ู…ู† ุงู„ tables ุงู„ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ from ูˆ ููŠ
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ุงู„ุขุฎุฑ ุงุญุท ุงู„ุดุฑุท ุงู„ู„ูŠ ุงู†ุง ุจุฏูŠู‡ุง ุงู„ู„ูŠ ู‡ูˆ ุงู†ู‡ ุงู†ุง ุจุฏูŠ
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ุงู„ red boat ุงู„ู„ูŠ ู‡ู… ุงู„ b.color ุจุณุงูˆูŠ red ุงู„ู…ุซุงู„
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00:02:09,680 --> 00:02:18,130
ู‡ุฐุง ุฃุฎุฏู†ุงู‡ ูƒู…ุงู† ูƒูŠู ุจุฑุถู‡ ู…ู…ูƒู† ู†ุทู„ุน ุงู„ color ู„ู‚ุงุฑุจ
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00:02:18,130 --> 00:02:23,510
ุงู„ู„ูŠ ุญุฌุฒูˆุง ู…ูŠู† ูˆุงุญุฏ ุจุญุงุฑ ุงุณู…ู‡ bluebird ู†ูุณ ุงู„ููƒุฑุฉ
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00:02:23,510 --> 00:02:27,510
ู…ุน ุงุฎุชู„ุงู ุงู„ุดุฑุท ูˆุงุฎุชู„ุงู ุงู„ columns ุงู„ู„ูŠ ุจุฏูŠู‡ุง ููŠ
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ุงู„ select statement ุจุฏุฃู†ุง
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ู†ุชูƒู„ู… ุงู†ู‡ ุงุญู†ุง ู…ู…ูƒู† ู†ุญุท ููŠ ุงู„ column expressions
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ูŠุนู†ูŠ ู…ุด ุจุถุฑูˆุฑูŠ ุงู†ุง ุจุณ ุงุนุฑุถ ุงู„ุงุณู… ุงูˆ ุงุนุฑุถ ุงู„ุนู…ุฑ
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00:02:42,140 --> 00:02:46,960
ุงุนุฑุถ ุงู„ุนู„ุงู…ุฉ ุงู†ุง ู…ู…ูƒู† ุงุนุฑุถ ุงู„ุนู„ุงู…ุฉ ุจุนุฏ ุชุนุฏูŠู„ ู…ุนูŠู†
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ุงู†ุง ุจุฏูŠู‡ุง ู…ุซู„ุง ุจุถูŠู ู„ูƒู„ ุทุงู„ุจ ุฎู…ุณ ุนู„ุงู…ุงุช ู…ู…ูƒู† ุงุนุฑุถ
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ุงู„ุชู‚ูŠูŠู… ู…ุซู„ุง ู„ู…ูˆุธููŠู† ุงูˆ ู„ู„ุจุญุงุฑุฉ ู‡ุฏูˆู„ ุจุนุฏ ู…ู† ูƒูˆู†
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ุถูู†ุง ุดูŠุก ุงูˆ ุทุฑุญู†ุง ุดูŠุก ู…ู† ุงู„ุชู‚ูŠูŠู… ู…ู…ูƒู† ุงู†ุง ุงุนุฑุถ
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ุงู„ุนู…ุฑ ุฒูŠ ู…ุง ุงุญู†ุง ุดุงูŠููŠู† ุงุนุฑุถ ุงู„ age ููŠ column ูƒู…ุงู†
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ู…ุฑุฉ ุจุชุนุฑุถ ุงู„ age ู…ุถุฑูˆุจ ููŠ ุงุชู†ูŠู† ุจู†ุดูˆู ุงู„ูƒู„ุงู… ู‡ุงุฏ
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ุนู…ู„ูŠ ุนุดุงู† ู†ูู‡ู… ูƒูŠู ูŠุนู†ูŠ ุงุญู†ุง ู…ู…ูƒู† ู†ุนู…ู„ expression
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ุนู„ู‰ ุงู„ column names ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ select ุงู„ู„ูŠ
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ุณู…ู†ุงู‡ุง target list ู‡ุฐู‡ ูุชุญุช ุนู†ุฏูŠ ุงู„ Oracle ุงู„
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command ุงู„ู„ูŠ ูƒุงู† ุนู†ุฏูŠ ูƒุงู† ุทุงู„ุจ ุงู†ูŠ ุงู†ุง ุจุฏูŠ ุงุนู…ู„
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select ุงู„ูƒู„ ุดุงูŠู ุงู„ command ุงู„ู„ูŠ ุงู†ุง ุจูƒุชุจู‡ ุจุฏู†ุง
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ู†ุนุฑุถ ู…ู† ุฌุฏูˆู„ ุงู„ S ุงู„ู„ูŠ ู‡ูˆ sailors ุจุฏูŠ ุงุนุฑุถ ุงู„ age
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ุงู„ุนู…ุฑ ูˆ ุจุฏูŠ ุงุนู…ู„ ูƒู…ุงู† expression ุงู†ูŠ ุงู†ุง ุจุฏูŠ ุงุถุฑุจ
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2 ุงุชู†ูŠู† ุถุฑุจ ุงู„ age ู‡ุฐุง ุงู„ุนู…ุฑ ู…ุถุงุนู from any table
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sailors ุฑู…ุฒู†ุงู‡ ุจ S ุจุฏู‡ ุงุนู…ู„ู‡ ุจุฏูˆู† qualification
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ุจุฏูˆู† ุดุฑุท ูŠุนู†ูŠ ุจุฏู‡ ุงุนุฑุถ ูƒู„ ุงู„ sailors ุจุฏูˆู† ุดุฑุท
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ุจุฏูˆู† qualification ุงู„ุงู† ู‡ูŠ ุงู„ two columns ุงู„ู„ูŠ
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00:04:00,890 --> 00:04:06,300
ุทู„ุนูˆู‡ู… ุงู„ุฃูˆู„ุงู† ุงูŠู‡ ุงูŠุด ุงุณู…ู‡ ุงู„ุซุงู†ูŠ ุดุงูŠููŠู† ูƒูŠู ุงุณู…ู‡
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2 ุถุฑุจ S.age ูŠุนู†ูŠ ูƒุชุจ ุงุณู… ู„ู„ูƒูˆู„ูˆู… ู†ูุณ ุงู„ุนู…ู„ูŠุฉ
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00:04:11,940 --> 00:04:16,920
ุงู„ุญุณุงุจูŠุฉ ุฃูˆ ุงู„ expression ุงู„ู„ูŠ ุงุญู†ุง ูƒุชุจู†ุงู‡ ูˆู‡ูŠ ุทู„ุน
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ุนู…ุฑู‡ ุฃูˆู„ ุจุญุฑ 45 ู…ู‚ุงุจู„ู‡ ุชุณุนูŠู† ุชู„ุงุช ุชู„ุงุชูŠู† ุณุชุฉ ูˆ
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00:04:21,680 --> 00:04:27,060
ุณุชูŠู† ูŠุนู†ูŠ ุถุฑุจู‡ู… ููŠ 2 ุทุจ ู‡ู„ ุงู„ุงุณู… ู‡ุฐุง ู‡ูŠ ูƒู…ุนุจุฑ ูŠุนู†ูŠ
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00:04:27,060 --> 00:04:30,880
2 ุถุฑุจ S.age ูŠุนู†ูŠ ุฃู†ุง ุจุฏูŠ ุฃูุชุฑุถ ู†ูุณูŠ ุฃู†ู‡ ุฃู†ุง ุณู„ุทุฉ
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00:04:30,880 --> 00:04:37,060
ุงู„ุฃุฑุงุถูŠุนู†ุฏูŠ ู‚ุทุน ุฃุฑุงุถูŠ ูˆ ุฃุทูˆุงู„ู‡ุง ูˆ ุทูˆู„ ูˆ ุนุฑุถ ูƒู„
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00:04:37,060 --> 00:04:40,420
ู‚ุทุนุฉ ุฃุจุนุงุฏู‡ุง ู‡ู„ ููŠ ุฏุงุนูŠ ุฃู† ุฃุฎุฒู† ููŠ ุงู„ database
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00:04:40,420 --> 00:04:45,300
ู…ุณุงุญุชู‡ุง ุฅุฐุง ุฃู†ุง ุนู†ุฏูŠ ุงู„ุทูˆู„ ูˆ ุงู„ุนุฑุถ ูุฃู†ุง ู…ู…ูƒู† ุฃุฎุฒู†
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00:04:45,300 --> 00:04:49,700
ููŠ ุงู„ table ุงุณู… ู…ุงู„ูƒ ุงู„ู‚ุทุนุฉ ุฑู‚ู… ุงู„ู‚ุทุนุฉ ุฃูˆ ุงู„ู‚ุณูŠู…ุฉ
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00:04:49,700 --> 00:04:52,940
ุทูˆู„ู‡ุง ูˆ ุนุฑุถู‡ุง ูˆ ุงู„ู…ุณุงุญุฉ ู…ุงุฎุฒู†ุงุด ู„ูƒู† ู„ู…ุง ุจุฏูŠ ุฃุณุชุนุฑุถ
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ุงู„ู…ุณุงุญุฉ ู…ู…ูƒู† ุฃุนู…ู„ select ูˆุงุทู„ุน ุงู„ุงุณู… ุตุงุญุจ ุงู„ุฃุฑุถ ูˆ
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00:04:57,230 --> 00:05:02,430
ุทูˆู„ู‡ุง ูˆ ุนุฑุถู‡ุง ูˆ ุงู„ area ุงู„ู…ุณุงุญุฉ ุฃุญุณุจู‡ุง ุงู„ area ุงูŠุด
61
00:05:02,430 --> 00:05:07,430
ุงู„ู…ุณุงุญุฉ ุจุงู„ุณุงูˆูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุทูˆู„ ููŠ ุงู„ุนุฑุถ L ุถุฑุจ W ุงู„
62
00:05:07,430 --> 00:05:11,870
length ุถุฑุจ ุงู„ width ุตุญูŠุญุŸ ุทุจ ู‡ู„ ู…ู†ุธุฑ ุงู„ column ุญู„ูˆ
63
00:05:11,870 --> 00:05:17,890
ูŠุทู„ุน ุนู†ุฏ ุงุณู… ุงู„ column L star W ูˆู„ุง ู†ูƒุชุจ area
64
00:05:19,760 --> 00:05:23,720
ุทุจ ูƒูŠู ุจู†ุนู…ู„ ุงู„ูƒู„ุงู… ู‡ุฐุง ุจู†ุณุชุฎุฏู… ุงู„ as ู‡ุงูŠ ุฏูˆุฑ ุงู„
65
00:05:23,720 --> 00:05:29,400
as ู‡ุงุฌูŠ ุฃุนู…ู„ ุงู„ select ุงู„ู„ูŠ ุนู†ุฏูŠ ูˆ ู‡ุงุฌูŠ ุฃูƒุชุจ a as
66
00:05:29,400 --> 00:05:35,480
ู…ุซู„ุง ุจุชุณู…ูŠู‡ุง ุงุณู… ุฌุฏูŠุฏ age2 ูˆ ุงู„ from ู†ูุณ ุงู„ from
67
00:05:35,480 --> 00:05:39,600
ุงู„ู„ูŠ ูƒุงู†ุช ู…ูˆุฌูˆุฏุฉ ู‡ุงูŠ enter ุงู„ุงู† ู†ูุณ ุงู„ู†ุชุงุฆุฌ ู„ูƒู†
68
00:05:39,600 --> 00:05:43,580
ุงูŠู‡ ุงู„ุงุฎุชู„ุงู ุงุณู… ุงู„ column ุงู„ู„ูŠ ุธู‡ุฑ ุนู†ุฏู‰ age ูˆ
69
00:05:43,580 --> 00:05:47,820
age2 ููŠ ุนู†ุฏูŠ ููŠ ุงู„ database ุฌุฏูˆู„ ููŠ column ุงุณู…ู‡
70
00:05:47,820 --> 00:05:53,910
age2 ู‡ุฐุง ุจุณ ุฃู†ุง ุงูŠุด ุจุงุนุฑุถู‡ ู‡ุฏู ุงู„ู€ select ุงู„ู€
71
00:05:53,910 --> 00:05:56,990
select statement ุจุชุบูŠุฑุด ุฃูŠ ุดูŠุก ุนู„ู‰ ุงู„ database
72
00:05:56,990 --> 00:06:00,370
ุงุญู†ุง ุฃุฎุฏู†ุง ุฅู†ู‡ ุฅุฐุง ุจุฏูŠ ุฃุนู…ู„ create ููŠ create table
73
00:06:00,370 --> 00:06:05,170
ุจุฏูŠ ุงุญุฐู ุฌุฏูˆู„ ููŠ drop ุจุฏูŠ ุฃุนุฏู„ ููŠ alter ุจุฏูŠ ุฃุฏุฎู„
74
00:06:05,170 --> 00:06:10,050
ุจูŠุงู†ุงุช insert ุจุฏูŠ ุฃุนุฏู„ ุนู„ู‰ ุจูŠุงู†ุงุช update ุจุฏูŠ ุงุญุฐู
75
00:06:10,050 --> 00:06:13,900
ุจูŠุงู†ุงุช delete ุงู„ู€ select ู…ุงุจุชุบูŠุฑุด ุฃูŠ ุดูŠุก ู‡ูŠ ุจุณ ุชุนู…ู„
76
00:06:13,900 --> 00:06:17,240
ุงู„ view ุนุฑุถ ุชุงู„ูŠ ุงู†ุง ุงู„ุชุบูŠูŠุฑ ู‡ุฐุง ุงู„ู„ูŠ ุนู…ู„ุชู‡ ุงู† ุงู„
77
00:06:17,240 --> 00:06:23,140
sellers S ูˆ ุงู„ .. ูˆ ุงู„ 2 ุถุฑุจ S.age as age2 ู‡ุฐุง ูƒู„ู‡
78
00:06:23,140 --> 00:06:27,020
ุจุณ ููŠ ุนู…ู„ูŠุฉ ุงู„ุนุฑุถ ุงู„ู„ูŠ ุงู†ุง ุจุนุฑุถู‡ ุงู„ุงุดูŠ ุงู„ู„ูŠ
79
00:06:27,020 --> 00:06:32,840
ุจูŠุธู‡ุฑู„ูŠ ูู‚ุท ู„ุง ุบูŠุฑ ู…ุง ุจูŠุบูŠุฑ ุนู„ู‰ ุงู„ database ู‡ุงูŠ
80
00:06:32,840 --> 00:06:38,320
ูุงุฆุฏุฉ ุงู„ as ู†ุฑุฌุน ู„ู„ slide ุงู„ู„ูŠ ุนู†ุฏู†ุง ุจุนุฏ ู…ุง ุงุชูƒู„ู…ู†ุง
81
00:06:38,320 --> 00:06:43,260
ุนู† ุงู„ as ุจุฏุฃู†ุง ู†ุชูƒู„ู… ุนู† ุงู† ุงู„ comparison ุงู„ู„ูŠ
82
00:06:43,260 --> 00:06:47,740
ุจู†ุนู…ู„ู‡ุง ุงู„ู…ู‚ุงุฑู†ุงุช ุจุงู„ operators ุงู„ุฃูƒุจุฑ ูˆ ุงู„ูŠุณุงูˆูŠ ูˆ
83
00:06:47,740 --> 00:06:51,960
not equal ูˆ greater than and less ู‡ูŠ ุจุชู†ูุนู†ูŠ ููŠ ุงู„
84
00:06:51,960 --> 00:06:55,140
integers ูˆ ููŠ ุงู„ real numbers ููŠ ุงู„ุฃุฑู‚ุงู… ุจุณ ู…ุด
85
00:06:55,140 --> 00:06:59,360
ูƒุชูŠุฑ ู„ู‡ุง ู…ุนู†ู‰ ู…ุน ุงู„ strings ู…ุน ุงู„ characters ูŠุนู†ูŠ
86
00:06:59,360 --> 00:07:05,800
ู…ู…ูƒู† ุงุญู†ุง ููŠ ุญุงู„ุฉ ุงู„ู„ูŠ ุฏูˆุฑู†ุง ุนู„ู‰ red ููŠ ุงู„
87
00:07:05,800 --> 00:07:06,180
query
88
00:07:09,870 --> 00:07:17,570
ูˆู„ุง ู…ุง ุฃุฎุฐู†ุงู‡ุงุด ุฃุฎุฐู†ุง
89
00:07:17,570 --> 00:07:20,290
ุชุงุนุฉ ุงู„ read ู‡ุงูŠ ุงู„ read ู…ุซุงู„ ุงู„ read ู„ู…ุง ุฏูˆุฑู†ุง
90
00:07:20,290 --> 00:07:25,730
ุนู„ู‰ ุงู„ color red ุญุทูŠู†ุง ูŠุณุงูˆูŠ red ูˆ red ู‡ุงุฏ ุงู„
91
00:07:25,730 --> 00:07:29,770
string ู…ุด
92
00:07:29,770 --> 00:07:34,950
ูƒุชูŠุฑ ู„ู‡ุง ู…ุนู†ู‰ ุงู†ูŠ ุฃุฌูŠ ุงุญูƒูŠ ุงู„ b.color ุฃูƒุจุฑ ู…ู† ุฃูˆ
93
00:07:34,950 --> 00:07:35,930
ูŠุณุงูˆูŠ red
94
00:07:38,710 --> 00:07:41,630
ู…ุด meaning ูŠุนู†ูŠ ู…ุงู„ู‡ุงุด ู…ุนู†ู‰ ุนู†ุฏู‰ ูู‰ ุงู„ strings
95
00:07:41,630 --> 00:07:45,610
ู„ู‡ุง ู…ุนู†ู‰ ูู‰ ุงู„ุฃุฑู‚ุงู… ู„ูˆ ูƒุงู†ุช ู‡ุฐู‡ ุนู„ุงู…ุฉ ุทุงู„ุจ ูˆ ู‡ุฐุง
96
00:07:45,610 --> 00:07:49,310
ุฑู‚ู… ู…ุซู„ุง ุณุชูŠู† ุงู„ุทุงู„ุจ ุงู„ู„ู‰ ุนู„ู…ุชู‡ ุณุชูŠู† ูˆ ูู‰ ู‡ุฐู‡
97
00:07:49,310 --> 00:07:53,490
ุงู„ุญุงู„ุฉ ุงู„ุทุงู„ุจ ุงู„ู„ู‰ ุนู„ู…ุชู‡ ุฃูƒุจุฑ ู…ู† ุฃูˆ ุจุชุณุงูˆูŠ ุณุชูŠู† ุจุณ
98
00:07:53,490 --> 00:07:55,950
ูู‰ ุงู„ strings ู…ุง ู„ู‡ุงุด ู…ุนู†ู‰ ูู‰ ุงู„ strings ุฃู†ุง ุงู„ู„ู‰
99
00:07:55,950 --> 00:08:00,730
ุจู‡ู…ู†ู‰ ุฃู† ุฃู†ุง ุฃุฏูˆุฑ ุจุทุฑูŠู‚ุฉ flexible ุณู‡ู„ุฉ ุนู„ู‰ ู…ูƒูˆู†ุงุช
100
00:08:00,730 --> 00:08:04,170
ุงู„ strings ูŠุนู†ูŠ ุฃู†ุง ุจุฏูˆุฑ ูู‰ ุงู„ address ุชุจุน ุงู„ุทู„ุงุจ
101
00:08:04,170 --> 00:08:08,970
ุนู†ุงูˆูŠู† ุงู„ุทู„ุงุจ ู…ูŠู† ุงู„ู„ู‰ ุณุงูƒู† ูู‰ ุบุฒุฉ ุจุบุถ ุงู„ู†ุธุฑ ููŠ ูˆูŠู†
102
00:08:08,970 --> 00:08:13,990
ู‡ูˆ ุณุงูƒู†ุŒ ููŠ ุงู„ุฑู…ุงู„ุŒ ููŠ ุงู„ุดุฌุงุนูŠุฉุŒ ููŠ ุงู„ุดูŠุฎ ุฑุถูˆุงู†ุŒ
103
00:08:13,990 --> 00:08:16,790
ููŠ ุดุงุฑุน ุนู…ุฑูˆ ุงู„ู…ุฎุชุงุฑุŒ ุดุงุฑุน ุงู„ุชู„ุงุชูŠู†ูŠุŒ ู…ุงุจูŠุนู†ูŠู†ูŠ
104
00:08:16,790 --> 00:08:18,790
ุจุงู„ุถูŠู‚ุฉ ุจุณ ุฅู†ู‡ ุณุงูƒู† ููŠ ุบุฒุฉุŒ ู…ุนู†ุงุชู‡ ุฃู†ุง ุจุชุฏูˆุฑ ุนู„ู‰
105
00:08:18,790 --> 00:08:24,210
string ุจูŠุจุฏุฃ ุจูƒู„ู…ุฉ ุบุฒุฉ ูˆุฃูŠ ุดูŠ ุจุนุฏ ู‡ูŠูƒ ู…ุงุจูŠุนู†ูŠู†ูŠ
106
00:08:24,210 --> 00:08:28,810
ุตุญูŠุญุŸ ู‡ุฐุง ุงู„ูƒู„ุงู… ูƒูŠู ุจูŠุชู…ุŸ ุจูŠุชู… ู…ู† ุฎู„ุงู„ ุงู„ู„ูŠ ู‡ูŠ
107
00:08:28,810 --> 00:08:35,950
like operator ุงู„ like ู‡ุฐู‡ ู‚ุฏู…ู†ุง ุนู†ู‡ุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ
108
00:08:35,950 --> 00:08:41,930
ูุงุชุช ุญูƒูŠู†ุง ุงู†ู‡ ุจุณุชุฎุฏู…ู‡ุง ู…ุน ุงู„ underscore ูˆ ุงู„
109
00:08:41,930 --> 00:08:45,150
percent ุงู„ underscore ุญูƒูŠู†ุง ู…ุนู†ุงู‡ุง ุงู†ู‡ one
110
00:08:45,150 --> 00:08:51,710
character only ุจุณ ุญุฑู ูˆุงุญุฏ ูู‚ุท ู„ุง ุบูŠุฑ ุงู„ percent
111
00:08:51,710 --> 00:08:57,870
ู…ุนู†ุงู‡ุง zero or more characters zero or more ูŠุนู†ูŠ
112
00:08:57,870 --> 00:09:04,200
ู…ู…ูƒู† ูˆู„ุง ุฅุดูŠ ู…ู…ูƒู† ุญุฑู ู…ู…ูƒู† ุงุชู†ูŠู† ู…ู…ูƒู† ุนุดุฑุฉ ุงู„ู…ุซุงู„
113
00:09:04,200 --> 00:09:07,580
ุงู„ู„ูŠ ุนู†ุฏูŠ ุงู† ุงู†ุง ุจุฏูŠ ุงุฏูˆุฑ ุนู„ู‰ ู…ูŠู† ุนู„ู‰ ุงู„ sailors
114
00:09:07,580 --> 00:09:12,680
ุงู„ู„ูŠ ุงุณู…ู‡ ุงูˆ ุงุณู…ู‡ู… like ุจุดุจู‡ ุจูŠุจุฏุฃ ุจุญุฑู ุงู„ B
115
00:09:12,680 --> 00:09:20,580
ูˆุจูŠู†ุชุจู‡ ุงูŠุด ุจูŠู†ุชุจู‡ B ูˆ ุจูŠู† ุงู„ุญุฑููŠู† ูƒู… ุญุฑู ุญุฑู ูˆุงุญุฏ
116
00:09:20,580 --> 00:09:24,760
ุนู„ู‰ ุงู„ุฃู‚ู„ ุงู„ู„ูŠ ู‡ูŠ underscore ุญุฑู ูˆุงุญุฏ ุงู„ percent
117
00:09:24,760 --> 00:09:30,000
ู…ู…ูƒู† ุตูุฑ ุงูˆ ุฃูƒุซุฑ ูŠุนู†ูŠ ุตุงุฑูˆุง ุญุฑู ุฃูˆ ุฃูƒุซุฑ ู„ูˆ ุจุญุซู†ุง
118
00:09:30,000 --> 00:09:33,650
ุนู† character ุจู‡ุฐุง ุงู„ุดูƒู„ B ูˆ 2 underscore
119
00:09:33,650 --> 00:09:42,170
percent ุงูŠ ุญุฑููŠู† ุนู„ู‰ ุงู„ุฃู‚ู„ ูŠุนู†ูŠ ูŠุจู‚ู‰ ุจู†ุช ุจุฅูŠ ูˆููŠ
120
00:09:42,170 --> 00:09:46,490
ุญุฑููŠู† ุนู„ู‰ ุงู„ุฃู‚ู„ ุงู„ุญุงู„ุฉ ุงู„ุฃูˆู„ู‰ ู„ูˆ ูƒุงู† ุนู†ุฏูŠ ุจุญุงุฑ
121
00:09:46,490 --> 00:09:54,830
ุงุณู…ู‡ ุจูˆุจ ุชู†ุทุจู‚ ุนู„ูŠู‡ ุชู†ุทุจู‚ ุนู„ูŠู‡ ู„ูˆ ูƒุงู† ุงุณู…ู‡ ุจูˆุจ
122
00:09:54,830 --> 00:10:08,850
ุฏุงุจู„ ุงูˆ ุจุฑุถู‡ ุตุญ ุทูŠุจ ู„ูˆ ูƒุงู† ุงุณู…ู‡ book ุจู†ุชุจู‡ูŠุด
123
00:10:08,850 --> 00:10:13,950
ุจูŠู‡ุŸ ุจุญูƒูŠุด ุนู† ุงู„ุชุงู†ูŠุฉ ุจุญูƒูŠ ุนู† ุงู„ุฃูˆู„ู‰ ู„ุณู‡ ุงู„ุฃูˆู„ู‰ ู„ุฃ
124
00:10:13,950 --> 00:10:21,910
ุงู„ุฃูˆู„ู‰ ู„ุฃ ุทูŠุจ ู„ูˆ ูƒุงู† ุงุณู…ู‡ double B ู„ุฃ ู„ุงุฒู… ููŠ ุญุฑู
125
00:10:21,910 --> 00:10:26,310
ุงู„ู†ุต ุงู„ู„ูŠ ู‡ูŠ underscore one character ู„ุงุฒู… ูŠูƒูˆู†
126
00:10:26,310 --> 00:10:31,110
ููŠู‡ one character ุงู„ percent ู…ู…ูƒู† ูŠูƒูˆู† ูุงุถูŠูุงู„ ุจูŠ
127
00:10:31,110 --> 00:10:38,330
ุจูŠ ุจุฑุถู‡ ู„ุฃ ุงู„ู…ุซุงู„ ุงู„ุซุงู†ูŠ ู„ูˆ ูƒุงู†ุช ุงู„ like ุจู‡ุฐุง
128
00:10:38,330 --> 00:10:48,270
ุงู„ุดูƒู„ ู„ูˆ ูƒุงู† ุงุณู…ู‡ ุจูˆุจ ู„ูˆ ูƒุงู† ุงุณู…ู‡ ุจูˆุจ ุฏุงุจู„ ุงูˆ ู„ูˆ
129
00:10:48,270 --> 00:10:56,280
ูƒุงู† ุงุณู…ู‡ ุจูˆูƒ ู„ูˆ ุจูŠ ุจูŠุนุฑูู†ุง ูƒูŠู ู†ุณุชุฎุฏู… ุงู„ like ูˆ
130
00:10:56,280 --> 00:11:00,100
ู…ู…ูƒู† ู…ุง ูŠูƒูˆู†ุด ููŠ ู†ู‡ุงูŠุชู‡ ู…ุง ุญุฏุฏุด ุญุฑู ู…ู…ูƒู† ุฃุญุฏุฏ ุฃุญุฑู
131
00:11:00,100 --> 00:11:04,080
ููŠ ุงู„ูˆุณุท ูŠุนู†ูŠ ู…ุซุงู„ ุชุจุน ุบุฒุฉ ุฃู†ุง ู‡ุฏูˆุฑ ุนู„ู‰ string
132
00:11:04,080 --> 00:11:10,860
ุจูŠุจุฏุฃ ู…ุซู„ุง Gaza percent ูˆ ุฃุณูƒุฑ ู…ุนู†ุงุชู‡ ุฃูŠ address
133
00:11:10,860 --> 00:11:15,160
ุจูŠุจุฏุฃ ุจูƒู„ู…ุฉ Gaza ุงู„ address ุจูŠุจุฏุฃ ุจ Gaza ุจุบุถ ุงู„ู†ุธุฑ
134
00:11:15,160 --> 00:11:19,100
ุงูŠู‡ ุจุนุฏูŠู‡ุง ุชู„ุงุชูŠู†ูŠุŒ ุดูŠุฎ ุฑุถูˆุงู†ุŒ ุดุฌุนูŠุฉุŒ whateverุŒ
135
00:11:19,100 --> 00:11:26,720
ุฏุฑุฌ ูƒู„ู‡ ุจุธุจุท ุฅุฐุง ุงู„ person zero or more characters
136
00:11:26,720 --> 00:11:30,960
ุงู„ underscore one character ูˆููŠ ุงู„ุญุงู„ุชูŠู† ุจุนูŠู†ูŠู†ูŠุด
137
00:11:30,960 --> 00:11:35,940
ุงูŠู‡ ู‡ูˆ ุงู„ character ู‡ูˆ a ู‡ูˆ b ู‡ูˆ c ู…ุง ุจุนูŠู†ูŠู†ูŠู‡
138
00:11:35,940 --> 00:11:39,720
ูˆุฅุฐุง ุฃู†ุง ุญุฏุฏุช ุญุฑู ู…ุนูŠู† ููŠ ู…ูƒุงู† ููŠ ุงู„ุจุฏุงูŠุฉ ููŠ
139
00:11:39,720 --> 00:11:44,700
ุงู„ู†ู‡ุงูŠุฉ ููŠ ุงู„ูˆุณุท ู…ุทุฑุญ ู…ุง ุจุญุฏุฏู‡ ุงู„ like ุจุชุฏูˆุฑ ุนู„ู‰
140
00:11:44,700 --> 00:11:49,980
ุงู„ุญุฑู ู‡ุฐุง ุจุชุฏูˆุฑ ุนู„ูŠู‡ ูุงู„ like ุงุญู†ุง ุจู†ุณุชุฎุฏู…ู‡ุง ูƒุซูŠุฑ
141
00:11:50,890 --> 00:11:53,390
ู…ุน ุงู„ู€ underscore ูˆ ู…ุน ุงู„ู€ percent ุนุดุงู† ู†ุนู…ู„
142
00:11:53,390 --> 00:11:59,430
matching ู…ุน ุงู„ู€ strings string matching ููŠ ุงู„ู€ where
143
00:11:59,430 --> 00:12:09,090
it closed ููŠ ุงู„ู€ qualification ููŠ
144
00:12:09,090 --> 00:12:13,110
ุนู†ุฏูŠ ููŠ ุงู„ู€ linear algebra ุฃูˆ ููŠ ุงู„ุฌุจุฑ ูˆ ููŠ ุงู„ู€
145
00:12:13,110 --> 00:12:16,010
calculus ููŠ ุนู†ุฏู†ุง ู…ูู‡ูˆู… ุงุณู…ู‡ ุงู„ู…ุฌู…ูˆุนุงุช ุงู„ู€ six
146
00:12:16,010 --> 00:12:20,560
ุฃุฎุฐุชู‡ ููŠ ุงู„ู…ุฏุงุฑุณ ุฃูˆ ู…ุดุฑูˆุน ุจุงู„ุชูุตูŠู„ ููŠ chapter 4 ููŠ
147
00:12:20,560 --> 00:12:24,940
ุงู„ูƒุชุงุจ ูˆ ุนู„ูŠู‡ operations ูƒุชูŠุฑ ุจุณ ุงุญู†ุง ุจุฏู†ุง ู†ุฎุชุตุฑ
148
00:12:24,940 --> 00:12:27,660
ุงู„ู…ุงุฏุฉ ูˆ ุจุฏู†ุงุด ู†ุชุนู…ู‚ ูƒุชูŠุฑ ููŠ ุงู„ุฃู…ูˆุฑ ุงู„ู„ูŠ ุนู„ุงู‚ุฉ ููŠ
149
00:12:27,660 --> 00:12:33,450
ุงู„ุฑูŠุงุถูŠุงุช ู†ุงุฎุฏ database ู…ุจุงุดุฑุฉ ูุจุฏูŠ ุฃู„ุฎุต ู…ูู‡ูˆู… ุงู„ู€
150
00:12:33,450 --> 00:12:37,910
sets ููƒุฑุฉ ุงู„ู€ set ูŠุนู†ูŠ ุงู„ู…ุฌู…ูˆุนุฉ ุฃู†ู‡ุง ุชุชูƒูˆู† ู…ู† ุนู†ุงุตุฑ
151
00:12:37,910 --> 00:12:43,190
ูŠุนู†ูŠ ุนู†ุฏูŠ ู…ุฌู…ูˆุนุฉ ุงู„ุทุงู„ุจุงุช ุงู„ู„ูŠ ููŠ ุดุนุจุฉ ู…ุงุฏุฉ ุงู„ู€
152
00:12:43,190 --> 00:12:46,650
database ุงู„ู„ูŠ ู‡ูˆ ุฃู†ุชู… ุนู†ุงุตุฑู‡ุง ุฃู†ุชู… ุงู„ุทุงู„ุจุงุช
153
00:12:46,650 --> 00:12:52,490
ุงู„ู…ุณุฌู„ูŠู† ู„ู„ู…ุงุฏุฉ ุนู†ุฏูŠ set one ุนู†ุงุตุฑู‡ุง ู…ูŠู† A ูˆ B ูˆ C
154
00:12:52,490 --> 00:12:58,720
ูˆ D ูˆ E ูˆ F ุนู†ุงุตุฑู‡ุง ุฃุญุฑู ู…ู…ูƒู† ุชูƒูˆู† ุนู†ุงุตุฑู‡ุง ุฃุนุฏุงุฏ ู…ู…ูƒู†
155
00:12:58,720 --> 00:13:03,340
ู…ูˆุงุทู†ูŠู† ู…ู…ูƒู† ู…ูˆุธููŠู† ุนู†ุฏูŠ ุณุชุฉ ุซุงู†ูŠุฉ ุจุฑุถู‡ ููŠู‡ุง ุนู†ุงุตุฑ
156
00:13:03,340 --> 00:13:07,940
ุงู„ู…ุฌู…ูˆุนุงุช ู‡ุฐู‡ ุจู†ุนู…ู„ ุนู„ูŠู‡ุง operations ููŠ ุงู„ุฌุจุฑ
157
00:13:07,940 --> 00:13:13,620
ุงู„ุงุชุญุงุฏ ูˆ ุงู„ุชู‚ุงุทุน ุฃู†ู‡ ุฃู†ุง ุนู†ุฏูŠ ู…ุฌู…ูˆุนุฉ A ูˆ ู…ุฌู…ูˆุนุฉ B
158
00:13:13,620 --> 00:13:19,560
ู‡ุงูŠ A ูˆ ู‡ุงูŠ B ู„ู…ุง ุฃุญูƒูŠ ุงุชุญุงุฏ ุงู„ู…ุฌู…ุนุชูŠู† Union ูŠุนู†ูŠ
159
00:13:19,560 --> 00:13:24,980
ูƒู„ ุงู„ุนู†ุงุตุฑ ุงู„ู„ูŠ ููŠ ุงู„ู…ุฌู…ุนุชูŠู† ุงู„ุชู‚ุงุทุน ู…ู†ุทู‚ุฉ ุงู„ู„ูŠ
160
00:13:24,980 --> 00:13:30,320
ูˆูŠู†ุŸ ููŠ ุงู„ูˆุณุท ุงู„ุนู†ุงุตุฑ ุงู„ู…ูˆุฌูˆุฏุฉ ููŠ A ูˆ B ุงู„ุทู„ุงุจ
161
00:13:30,320 --> 00:13:36,120
ุงู„ู…ุณุฌู„ูŠู† database one ูˆ ู…ุณุฌู„ูŠู† ุจุฑู…ุฌุฉ ุงุซู†ูŠู† ูŠุนู†ูŠ
162
00:13:36,120 --> 00:13:40,420
ู„ุงุฒู… ูŠูƒูˆู† ู…ุณุฌู„ ุงู„ู…ุงุฏุชูŠู† ููŠ A ูˆ ููŠ B ู…ุณุฌู„ database
163
00:13:40,420 --> 00:13:44,700
one ูˆ ู…ุณุฌู„ ุจุฑู…ุฌุฉ ุงุซู†ูŠู† ู‡ุฏูˆู„ ู‡ู… ุงู„ุชู‚ุงุทุน ุจูŠู† ุงู„ู…ุงุฏุชูŠู†
164
00:13:44,700 --> 00:13:49,980
ุจูŠู† ุงู„ูƒูˆุฑุณูŠู† ุจูŠู† ุงู„ู€ two sets ูˆ ููŠ ุนู†ุฏ ุงู„ู€ accept
165
00:13:49,980 --> 00:13:56,350
ุงู„ูุฑู‚ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู…ู†ุทู‚ุฉ ุงูŠุด A ูุฑู‚ B ุงู„ู„ูŠ ู‡ูŠ ุงู„ู…ู†ุทู‚ุฉ
166
00:13:56,350 --> 00:14:00,830
ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ููŠ A ู…ุด ู…ูˆุฌูˆุฏุฉ ููŠ B ูŠุนู†ูŠ ุฃู†ุง ุจุฃุญูƒูŠ
167
00:14:00,830 --> 00:14:05,290
ุงู„ุทู„ุงุจ ุงู„ู„ูŠ ู…ุณุฌู„ูŠู† database one ู„ูƒู† ู…ุด ู…ุณุฌู„ูŠู† ุจุฑู…ุฌุฉ
168
00:14:05,290 --> 00:14:08,550
ุงุซู†ูŠู† ู…ู…ู†ูˆุน ูŠูƒูˆู† ู…ุณุฌู„ ุจุฑู…ุฌุฉ ุงุซู†ูŠู† ุฅุฐุง ูƒุงู† ู…ุณุฌู„ ุจุฑู…ุฌุฉ
169
00:14:08,550 --> 00:14:13,600
ุงุซู†ูŠู† ู…ุด ู…ู† ุถู…ู† ุงู„ูุฑู‚ ุงู„ู€ accept ู„ูˆ ุทุจู‚ู†ุง ุงู„ูƒู„ุงู… ู‡ุฐุง
170
00:14:13,600 --> 00:14:17,460
ุนู„ู‰ ุงู„ู…ุฌู…ูˆุน ุซุงู†ูŠ set 1 ูˆ set 2 ู‡ู†ู„ุงู‚ูŠ ุฃู† ุงู„ู€ union
171
00:14:17,460 --> 00:14:22,300
ุจูŠู† set 1 ูˆ set 2 ู‡ูˆ ู…ุฌู…ูˆุน ุงู„ุนู†ุงุตุฑ ูƒู„ู‡ู… ูู‡ูŠูƒูˆู†
172
00:14:22,300 --> 00:14:28,640
ุนู†ุฏูŠ a ูˆ b ูˆ c ูˆ d ูˆ f ูƒุงู…ู„ุง ูˆ ุงู„ู€ g ูˆ ุงู„ู€ h ู„ุฃู† ุงู„ู€
173
00:14:28,640 --> 00:14:31,360
b ูˆ ุงู„ู€ e ูˆ ุงู„ู€ f ุฐูƒุฑู†ุงู‡ู… ู‡ูŠ ุงู„ู€ b ูˆ ู‡ูŠ ุงู„ู€ e ูˆ ู‡ูŠ ุงู„ู€
174
00:14:31,360 --> 00:14:37,580
f ู„ู…ุง ุชุทู„ุน ุงู„ู€ intersect ุงู„ุชู‚ุงุทุน ุจูŠู†ู‡ู… ู‡ูŠ ุงู„ู€ b
175
00:14:37,580 --> 00:14:45,540
ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ุฌู‡ุชูŠู† ุงู„ู€ E ู…ูˆุฌูˆุฏุฉ ุงู„ู€ F ู…ูˆุฌูˆุฏุฉ ุงู„ู€ G ูˆ ุงู„ู€
176
00:14:45,540 --> 00:14:50,840
H ู„ุง ุฅุฐุง ุงู„ุชู‚ุงุทุน P ูˆ E ูˆ F ู‡ุงูŠ ุงู„ู€ intersect ุจูŠู†
177
00:14:50,840 --> 00:14:56,420
set 1 ูˆ set 2 ูˆ ู„ูˆ ุนูƒุณู†ุง ูŠุนู†ูŠ ุญูƒูŠู†ุง set 2 union
178
00:14:56,420 --> 00:15:01,360
set 1 set 2 intersect set 1 ุงู„ุฌูˆุงุจ ู†ูุณู‡ ุฒูŠ ุนู…ู„ูŠุฉ
179
00:15:01,360 --> 00:15:06,580
ุงู„ุฌู…ุน ู„ู…ุง ุงุญู†ุง ุจู†ุญูƒูŠ 2 ุฒุงุฆุฏ 3 ู‡ูŠ ู†ูุณ 3 ุฒุงุฆุฏ 2 ู„ูƒู†
180
00:15:06,580 --> 00:15:11,950
ุงู„ู€ except ู…ุงููŠุด ู…ุฌุงู„ ุงู†ูŠ ุงุจุฏู„ ุฒูŠ ุงู„ุทุฑุญ ุฎู…ุณุฉ ู†ู‚ุต
181
00:15:11,950 --> 00:15:17,970
ุงุซู†ูŠู† ู‡ูŠ ู†ูุณ ุงุซู†ูŠู† ู†ู‚ุต ุฎู…ุณุฉ ู„ุฃ ุงู„ู€ except ู‡ุชูƒูˆู†
182
00:15:17,970 --> 00:15:23,730
ุฏุงูŠู…ุง ููŠ ุจุงู„ูŠ ุงู†ู‡ุง ุฒูŠ ุงูŠุด ุนู…ู„ูŠุฉ ุงู„ุทุฑุญ set one
183
00:15:23,730 --> 00:15:26,710
except set two ุงู„ุนู†ุงุตุฑ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏุฉ ููŠ ูˆุงุญุฏ ู…ุด
184
00:15:26,710 --> 00:15:32,810
ู…ูˆุฌูˆุฏุฉ ููŠ ุงุซู†ูŠู† ู…ูŠู† ู‡ู… ู‡ุงู„ a ู…ุด ู…ูˆุฌูˆุฏุฉ ุงู„ู€ c ูˆ ุงู„ู€
185
00:15:32,810 --> 00:15:38,620
d ู…ุด ู…ูˆุฌูˆุฏูŠู† ููŠ ุงุซู†ูŠู† ุงู„ู€ E ูˆ ุงู„ู€ F ู…ูˆุฌูˆุฏูŠู† ุฅุฐุง ู…ูŠู†
186
00:15:38,620 --> 00:15:45,420
ุถุงู„ A ูˆ C ูˆ D ู‡ุงูŠ A ูˆ C ูˆ D ุงู„ุนูƒุณ set 2 except set
187
00:15:45,420 --> 00:15:49,720
1 ุนู†ุฏูŠ ุงู„ู€ B ูˆ ุงู„ู€ E ูˆ ุงู„ู€ F ู‡ุงูŠ ูˆ ู…ูˆุฌูˆุฏูŠู† ูˆุตู„ุชู‡ู…
188
00:15:49,720 --> 00:15:58,360
ุจุงู„ู„ูˆู† ุงู„ุฃุฒุฑู‚ ุถุงู„ ุนู†ุฏูŠ ู…ูŠู† G ูˆ H ูƒู„ุงู… ู‡ุฐุง ุงู„ู…ูู‡ูˆู…
189
00:15:58,360 --> 00:16:03,240
ู‡ุฐุง ููŠ ุงู„ุฑูŠุงุถูŠุงุช ู†ุงุฎุฏู‡ ุนู„ู‰ ุงู„ู€ database ุญุงุฌุฉ ุฃุญูƒูŠ
190
00:16:03,240 --> 00:16:09,220
ุจุฏูŠ ุฃู†ุง ุงู„ุจุญุงุฑุฉ ุงู„ู„ูŠ ุญุฌุฒูˆุง ู‚ูˆุงุฑุจ ุญู…ุฑุงุก ูˆ ุงู„ู„ูŠ ุญุฌุฒูˆุง
191
00:16:09,220 --> 00:16:12,980
ู‚ูˆุงุฑุจ ุฎุถุฑุงุก ูƒูŠู ุฏู‡ ุงูƒุชุจ ู‡ุฐุง ุงู„ู€ queryุŸ ุญุงุฌุฉ ุงุนู…ู„
192
00:16:12,980 --> 00:16:20,420
select ูˆ ุงุฎุชุงุฑ ุงู„ู€ sailors ุงู„ู„ูŠ ุญุฌุฒูˆุง boats red ูˆ
193
00:16:20,420 --> 00:16:24,300
ุงุนู…ู„ู‡ู… union ุงุชุญุงุฏ ู…ุน ุงู„ุจุญุงุฑุฉ ุงู„ู„ูŠ ุญุฌุฒูˆุง boats
194
00:16:24,300 --> 00:16:29,430
green ู‡ูŠุตุงุฑูˆุง ุงู„ู„ูŠ ุญุงุฌุฒูŠู† ุฎุถุฑุงุก ูˆ ุงู„ู„ูŠ ุญุงุฌุฒูŠู† ุญู…ุฑุงุก
195
00:16:29,430 --> 00:16:34,950
ู„ูˆ ุฃู†ุง ุจุฏูŠ ุงู„ุจุญุงุฑุฉ ุงู„ู„ูŠ ุญุงุฌุฒูŠู† ู…ุฑุงูƒุจ ุญู…ุฑุงุก ู„ูƒู†
196
00:16:34,950 --> 00:16:42,050
ู…ุงุญุฌุฒูˆุด ู…ุฑุงูƒุจ ู„ูˆู†ู‡ุง ุฃุฒุฑู‚ ู‡ุงุฌูŠ ุงุนู…ู„ except ู„ูˆ ุจุฏูŠ
197
00:16:42,050 --> 00:16:48,970
ุงู„ู„ูŠ .. ุงู„ู„ูŠ ุญุฌุฒูˆุง ู…ุฑุงูƒุจ ุญู…ุฑุงุก ูˆ ุจุฑุถู‡ ููŠ ู†ูุณ ุงู„ูˆู‚ุช
198
00:16:48,970 --> 00:16:52,530
ูƒุงู†ูˆุง ุญุงุฌุฒูŠู† ุฎุถุฑุงุก ุฏู‡ ุงุณุชุฎุฏู… intersect
199
00:16:55,110 --> 00:16:58,490
ู†ูŠุฌูŠ ู†ุงุฎุฏู‡ุง ุนู„ู‰ ู…ุซุงู„ ุงู„ุทู„ุงุจ ุนู†ุฏู†ุง ููŠ ุงู„ุฌุงู…ุนุฉ ุฃู†ุง
200
00:16:58,490 --> 00:17:02,170
ุจุฏูŠ ุงู„ุทู„ุงุจ ุงู„ู„ูŠ ู…ุณุฌู„ูŠู† database ูˆุงุญุฏ ูˆ ุจุฑู…ุฌุฉ ุงุซู†ูŠู†
201
00:17:02,170 --> 00:17:09,130
ุงุทู„ุน ุฃุณู…ุงุกู‡ู… ุฏู‡ ุงุฑูˆุญ ุงุนู…ู„ union ุฃู†ุง ุจุฏูŠ ุงู„ุทู„ุงุจ
202
00:17:09,130 --> 00:17:18,570
ุงู„ู„ูŠ ู…ุณุฌู„ูŠู† ุจุฑู…ุฌุฉ ูˆุงุญุฏ ูˆ ุจุฑู…ุฌุฉ ุงุซู†ูŠู† ููŠ ู†ูุณ ุงู„ูˆู‚ุช
203
00:17:19,140 --> 00:17:23,140
ูŠุนู†ูŠ ู‡ูˆ ุงู„ุทุงู„ุจ ู†ูุณู‡ ู…ุณุฌู„ ุงู„ู…ุงุฏุชูŠู† ุงู„ุทุงู„ุจ ู†ูุณู‡ ู…ุณุฌู„
204
00:17:23,140 --> 00:17:27,180
ุงู„ู…ุงุฏุชูŠู† ุจุฏูŠ ุฃุฑูˆุญ ุฃุนู…ู„ intersect ู„ูˆ ุจุฏูŠ ุจุณ ุงู„ุทู„ุงุจ
205
00:17:27,180 --> 00:17:29,800
ุงู„ู„ูŠ ู…ุณุฌู„ูŠู† database ูˆุงุญุฏ ูˆ ุฑุฏุนูˆู† ุจุฑู…ุฌุฉ ุงุซู†ูŠู† ุจุฏูŠ
206
00:17:29,800 --> 00:17:35,860
ุฃุดูŠุงู‡ู‡ู… ุจุฏูŠ ุฃุฑูˆุญ ุฃุณุชุฎุฏู… ุงู„ู€ accept ู†ุทุจู‚ ุงู„ูƒู„ุงู… ู‡ุฐุง
207
00:17:35,860 --> 00:17:41,120
ุนู…ู„ูŠ ูƒู…ุงู† ุดูˆูŠุฉ ููŠ ุฅู†ู‡ ูƒู…ุงู† operations ุงู„ู„ูŠ ุนู„ุงู‚ุฉ
208
00:17:41,120 --> 00:17:47,070
ููŠ ุงู„ู€ sets ููŠ ุงู„ู…ุฌู…ูˆุนุงุช ู…ูู‡ูˆู… ุงู„ู…ุฌู…ูˆุนุงุช ุฃูˆู„ ุดูŠุก
209
00:17:47,070 --> 00:17:50,450
ุญูƒูŠู†ุง ุนู† ุงู„ู€ union ูˆ ุงู„ู€ intersect ุงู„ู€ intersect ูˆ ุงู„ู€
210
00:17:50,450 --> 00:17:55,610
except ู‡ุฏูˆู„ ู…ูˆุฌูˆุฏูŠู† ููŠ ุงู„ู€ SQL ุฒูŠ ู…ุง ู‡ู… ุจู†ูƒุชุจู‡ู… ู†ูุณ
211
00:17:55,610 --> 00:17:58,150
ู„ูุธู‡ู… ุจุงู„ุฅู†ุฌู„ูŠุฒูŠุฉ ู„ุฃู†ู‡ ุญูƒูŠู†ุง ุงู„ู€ SQL ุจุชุณุชุฎุฏู… ุงู„ู„ุบุฉ
212
00:17:58,150 --> 00:18:02,130
ุงูŠุด ุทุจูŠุนูŠ natural ู union ูˆ intersect ูˆ except
213
00:18:02,130 --> 00:18:05,110
ูŠูƒูˆู†ูˆุง ุชู„ุงุญุธูˆุง ุฃู†ู‡ ููŠ ุงู„ู€ Oracle ุจุฏู„ except
214
00:18:05,110 --> 00:18:09,030
ุจูŠุณุชุฎุฏู…ูˆุง ูƒู„ู…ุฉ minus ู‡ู†ุง ุฃุตู„ุง ุงู„ู€ except ุนู…ู„ูŠุฉ ุงูŠุด
215
00:18:09,030 --> 00:18:12,530
ุทุฑุญ ุจูŠู† .. ุทุฑุญ ุจูŠู† ุงู„ู…ุฌู…ูˆุนุงุช ูุจูŠุณุชุฎุฏู…ูˆุง ุจุฏู„ ูƒู„ู…ุฉ
216
00:18:12,530 --> 00:18:16,510
except ูƒู„ู…ุฉ minus minus ูˆ ุงุญู†ุง ุญูƒูŠู†ุง ุงุตู„ุง ูƒู…ุงู† ุงู†
217
00:18:16,510 --> 00:18:19,650
ุงู„ู€ SQL standard ููŠ ุงู„ู€ products ุงู„ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ุณูˆู‚
218
00:18:19,650 --> 00:18:23,090
ููŠู‡ ุงุฎุชู„ุงูุงุช ุตุบูŠุฑุฉ ูˆ ุดูู†ุง ูƒูŠู ุงู† ุงู„ู€ real ูˆ ุงู„ู€
219
00:18:23,090 --> 00:18:27,110
integer ู…ู…ูƒู† ูŠูƒูˆู† ุงุณู…ู‡ุง number ููŠู‡ character ูˆ ููŠู‡
220
00:18:27,110 --> 00:18:31,170
var character ู…ู† ุถู…ู† ุงู„ุงุฎุชู„ุงูุงุช ู…ูˆุถูˆุน ุงู„ู€ minus ูˆ
221
00:18:31,170 --> 00:18:33,970
ุงู„ู€ except ูุนู†ุฏูƒู… ููŠ ุงู„ู…ุฎุชุจุฑ ุงู„ู„ูŠ ุฃู†ุชู… ุจุชุดุชุบู„ูˆู‡ ุนู„ู‰
222
00:18:33,970 --> 00:18:36,750
Oracle ุตุญูŠุญุŸ ู…ุด ุนู„ู‰ DB2 ูˆู„ุง ุนู„ู‰ Microsoft SQL
223
00:18:36,750 --> 00:18:39,990
ู‡ุชุณุชุฎุฏู… ู…ุจุฏุฃ ูƒู„ู…ุฉ except ููŠ ุงู„ู€ query ุนุดุงู† ุชุญุทู‡ุง
224
00:18:39,990 --> 00:18:46,810
minus ููŠ ุนู†ุฏูŠ ูƒู…ุงู† ุงู„ู€ in ูˆ ุงู„ู€ any ูˆ ุงู„ู€ all ูˆ ุงู„ู€
225
00:18:46,810 --> 00:18:53,410
exists ุงู„ู€ in ุฅู† ุฃูุญุต ุนู†ุตุฑ ู…ูˆุฌูˆุฏ ููŠ ู…ุฌู…ูˆุนุฉ ูŠุนู†ูŠ ุฒูŠ
226
00:18:53,410 --> 00:19:02,510
ู…ุง ุฃู†ุง ุฃุญูƒูŠ a in set one ู‡ู„ a ู…ูˆุฌูˆุฏุฉ ููŠ set one
227
00:19:02,510 --> 00:19:07,230
ุนู†ุตุฑ ุจุณุฃู„ ุฃู†ุง ุนู† ุนู†ุตุฑ ู…ูˆุฌูˆุฏ ููŠ ุงู„ู…ุฌู…ูˆุนุฉ ู‡ุฐู‡ ู…ูˆุฌูˆุฏ
228
00:19:07,230 --> 00:19:14,470
ูˆ ู…ู…ูƒู† ููŠ ูƒู…ุงู† ุฒูŠ ู…ุง ููŠ in ููŠ ุงูŠุด ููŠ not ููŠ not in
229
00:19:14,470 --> 00:19:22,210
ู„ู…ุง ุฃุฌูŠ ุฃุญูƒูŠ ุฃู†ู‡ ุงู„ู€ H not in set one ุงู„ู€ true ูˆู„ุง
230
00:19:22,210 --> 00:19:26,230
ุงู„ู€ false ุงู„ู€ true ุงู„ุฃูˆู„ู‰ true ูˆ ุงู„ุซุงู†ูŠุฉ true ู„ูƒู† ู„ูˆ
231
00:19:26,230 --> 00:19:36,110
ุญูƒูŠุช ุงู„ู€ G in ุนู„ู‰ ุทูˆู„ false in set two
232
00:19:49,860 --> 00:19:54,180
ุงู„ู€ any ูˆ ุงู„ู€ all ุงู„ู€ any ูˆ ุงู„ู€ all ู…ู† ุงุณู…ู‡ู… ู…ุจูŠู† ุฃู†ู‡ ุฃู†ุง
233
00:19:54,180 --> 00:20:01,580
ุจุฏูŠ ุฃู‚ุงุฑู† ู…ุซู„ุง ุนู„ุงู…ุฉ ู…ุญู…ุฏ ุฃูƒุจุฑ ู…ู† ุนู„ุงู…ุฉ ุงู„ู€ all ุฃุญุท ูƒู„
234
00:20:01,580 --> 00:20:05,060
ุงู„ู€ students ูŠุนู†ูŠ ู„ุงุฒู… ุชูƒูˆู† ุนู„ุงู…ุชู‡ ุฃูƒุจุฑ ู…ู† ุนู„ุงู…ุฉ
235
00:20:05,060 --> 00:20:13,000
ุงู„ุฌู…ูŠุน ู„ู…ุง ุฃุญูƒูŠ ุนู„ุงู…ุชู‡ ุฃู‚ู„ ู…ู† ุงู„ู€ any ู…ู† ุฃูŠ ูˆุงุญุฏ ู„ูˆ
236
00:20:13,000 --> 00:20:17,240
ูƒุงู† ุนู„ุงู…ุชู‡ ุฃู‚ู„ ู…ู† ุทุงู„ุจ ูˆุงุญุฏ okay true ุจุณ ู„ูˆ ูƒุงู†ุช
237
00:20:17,240 --> 00:20:20,000
ุนู„ุงู…ุชู‡ ู‡ูˆ ุงู„ุฃูˆู„ ุนู„ู‰ ุงู„ุฏูุนุฉ ูˆ ุนู„ุงู…ุชู‡ ุฃุนู„ู‰ ู…ู†ู‡ู… ูƒู„ู‡ู…
238
00:20:20,000 --> 00:20:23,860
ูˆ ุฃุฌูŠ ุฃุญูƒูŠ ุนู„ุงู…ุชู‡ ุฃู‚ู„ ู…ู† ุงู„ู€ any ุงูŠุด ู‡ุชุตูŠุฑ false
239
00:20:27,330 --> 00:20:30,970
ุงู„ู€ existence ุฅู†ู‡ุง ู…ูˆุฌูˆุฏุฉ existence ุฅู†ู‡ุง ู…ูˆุฌูˆุฏุฉ
240
00:20:30,970 --> 00:20:36,190
ูŠุนู†ูŠ ุดูŠุก ู…ูˆุฌูˆุฏ ุฃูˆ ู…ุด ู…ูˆุฌูˆุฏ ููŠ not ู…ู…ูƒู† ุฃุญุท not ูˆ
241
00:20:36,190 --> 00:20:39,810
ุฃุตูŠุฑ not exists ู…ูˆุฌูˆุฏ ุฃูˆ ู…ุด ู…ูˆุฌูˆุฏ ู„ูˆ ุทู„ุนู†ุง ุนู„ู‰
242
00:20:39,810 --> 00:20:44,830
ุฌุฏูˆู„ ุงู„ู‚ูˆุงุฑุจ ุนู†ุฏูƒู… ู…ุซู„ุง ู…ุง ููŠุด ู‚ุงุฑุจ ู„ูˆู†ู‡ ุจู†ูŠ ุฃูˆ
243
00:20:44,830 --> 00:20:49,850
ุฃุณูˆุฏ ูู„ูˆ ุงุญู†ุง ุนู…ู„ู†ุง query ูˆ ููŠ ุงู„ู€ query ูƒุงู† ุงู„ุดุฑุท
244
00:20:49,850 --> 00:20:54,810
ุฅู† not exists ุงู„ู€ color ุจูŠุณุงูˆูŠ black ุงูŠุด ู‡ุชูƒูˆู† ู†ุชูŠุฌุฉ
245
00:20:54,810 --> 00:21:01,860
true ูˆู„ุง false not exists ุงู„ู„ูˆู† black ู‡ุชูƒูˆู† true
246
00:21:01,860 --> 00:21:08,460
exist ุงู„ู„ูˆู† black ู‡ุชูƒูˆู† false ู†ุจุฏุฃ ู†ุงุฎุฏ ุงู„ู€ .. ุงู„ู€
247
00:21:08,460 --> 00:21:10,680
.. ุงู„ู€ six operations ู‡ุฏูˆู„ ุงุณู…ู‡ู… six operations
248
00:21:10,680 --> 00:21:14,900
ุงู„ุนู…ู„ูŠุงุช ุนู„ู‰ ุงู„ู…ุฌู…ูˆุนุงุช ู†ุจุฏุฃ ู†ุงุฎุฏู‡ู… ูˆุงุญุฏุฉ ูˆุงุญุฏุฉ
249
00:21:14,900 --> 00:21:17,980
ู‡ู†ุงุฎุฏ ุงู„ู€ union ูˆ ุงู„ู€ intersect ูˆ ุงู„ู€ except ูˆ ู†ุฏุฎู„ ูˆ
250
00:21:17,980 --> 00:21:22,020
ุจุนุฏูŠู† ู‡ู†ุชูƒู„ู… ุนู† ุงู„ู€ in ูˆ ุงู„ู€ exists ูˆ ุงู„ู€ all ูˆ ุงู„ู€
251
00:21:22,020 --> 00:21:27,280
any ุฃูˆู„ ุดูŠุก ุงู„ู€ union ุงุญู†ุง ููŠ ุงู„ุณุงุจู‚ ู„ูˆ ูƒู†ุง ุจุฏู†ุง
252
00:21:27,280 --> 00:21:33,380
ู†ุฏูˆุฑ ุนู„ู‰ ุงู„ู€ sailors ุงู„ู„ูŠ ุงุณุชุฃุฌุฑูˆุง ุฃูˆ ุญุฌุฒูˆุง ุงู„ู€
253
00:21:33,380 --> 00:21:39,840
boats ุงู„ู„ูˆู† ู‡ู… red ุฃูˆ green ุณูˆุงุก ุงู„ู„ูŠ ุญุฌุฒูˆุง ุงู„ู€ red
254
00:21:39,840 --> 00:21:45,270
ุฃูˆ ุงู„ู€ green ูƒุงู† ู„ุงุฒู… ู†ูƒุชุจ ุงู„ู€ query ุจุงู„ุดูƒู„ ู‡ุฐุง ูƒุงู†
255
00:21:45,270 --> 00:21:50,610
ู„ุงุฒู… ู†ูƒุชุจ ุงู„ู€ query ุจุงู„ุดูƒู„ ู‡ุฐุง ุฃู†ู‡ select SID ุฑู‚ู…
256
00:21:50,610 --> 00:21:56,070
ุงู„ุจุญุงุฑ ู…ู† ุฌุฏูˆู„ from sailors, serfs ูˆ boats where
257
00:21:56,070 --> 00:22:01,050
ุจุฏุฃ ุฃุฑุจุท ุจูŠู† ุงู„ุฌุฏูˆู„ SID ููŠ ุงู„ู€ S ู…ุน ุงู„ู€ R ุฒูŠ ุจุนุถ ุงู„ู€
258
00:22:01,050 --> 00:22:04,370
BID ููŠ ุงู„ู€ R ูˆ ุงู„ู€ B ุฒูŠ ุจุนุถ ูˆ ุฃุญุท ุจุนุฏู‡ุง ุงู„ุดุฑุท ุงู„ู„ูŠ
259
00:22:04,370 --> 00:22:07,970
ุนู†ุฏูŠ ุงู„ุดุฑุท ุงู„ู„ูŠ ุนู†ุฏูŠ and ุจูŠู† ู‚ูˆุณูŠู† ุงู„ู€ color ูŠุง ุฅู…ุง
260
00:22:07,970 --> 00:22:14,860
red ูŠุง ุฅู…ุง green or ุฃุฑุจุท ููŠ ุงูŠุดุŸ ููŠ or ุทู„ุนูˆุง ุนู„ู‰
261
00:22:14,860 --> 00:22:20,620
ุงู„ุฌุฏูˆู„ ุงู„ู„ูŠ ุนู†ุฏูƒู… ูˆูŠู†
262
00:22:20,620 --> 00:22:26,200
ุงู„ู€ red ูˆูŠู† ุงู„ู€ green ุซู„ุงุซ ู…ุฑุงูƒุจ ุงูŠุด ุฃุฑู‚ุงู…ู‡ู… 102 103
263
00:22:26,200 --> 00:22:30,250
104 ู‡ุฑูˆุญ ุนู„ู‰ ุงู„ุญุฌูˆุฒุงุช ูˆ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏูŠู† ุงู„ุญุฌูˆุฒุงุช ู‡ุงูŠ ูˆูŠู†
264
00:22:30,250 --> 00:22:35,830
ู…ูˆุฌูˆุฏุฉุŸ ู‡ุงูŠ 102 ูˆ ู‡ุงูŠ 103 ูˆ ู‡ุงูŠ 104 ูƒู…ุงู† ูˆ ู‡ุงูŠ 102
265
00:22:35,830 --> 00:22:41,350
ูˆ 103 ูˆ 104 ู‡ุงูŠ ุงู„ุฌุฒูŠุฉ ุฏูŠ ูƒู„ู‡ุง ูˆ ู‡ุงูŠ ูƒู…ุงู† 102 ูˆ
266
00:22:41,350 --> 00:22:45,530
103 ู…ูŠู†
267
00:22:45,530 --> 00:22:52,210
ุงู„ุฃุฑู‚ุงู… ุงู„ุจุญุงุฑุฉ ุงู„ู„ูŠ ุญุฌุฒูŠู†ู‡ู…ุŸ 22 ูˆ 31
268
00:22:54,160 --> 00:23:04,640
ูˆ 64 64 ู…ุฑุชูŠู† ูˆ ุงู„ู€ 31 ุซู„ุงุซุฉ ูˆ ุงู„ู€ 22 ุซู„ุงุซุฉ ุตุญูŠุญ ู…ูŠู†
269
00:23:04,640 --> 00:23:09,360
ุงู„ู€ 64 ุงุญู†ุง ุงูŠุด ูƒู†ุง ุทุงู„ุจูŠู† ู†ุนู…ู„ ุงู„ุฑู‚ู… ุทุงู„ุจูŠู† ุงู„ุฑู‚ู…
270
00:23:09,360 --> 00:23:17,480
ุงู„ู€ SID ุจุฏู†ุง ุจุณ ุงู„ุฑู‚ู… ูƒูุงูŠุฉ ู‡ูŠูƒ ู‡ูŠุทู„ุน ุนู†ุฏ ู…ูŠู† ุงู„ู€ 22
271
00:23:17,480 --> 00:23:19,840
ุซู„ุงุซ ู…ุฑุงุช ูˆ ุงู„ู€ 31 ุซู„ุงุซุฉ ูˆ ุงู„ู€ 64
272
00:23:23,530 --> 00:23:31,810
64 ู…ุฑุฉ ูˆ ุงู„ู€ 74 ู…ุฑุฉ ุตุญูŠุญ ู‡ุฐู‡ ู…ุฑุฉ ูˆ ู‡ุฐู‡ ู…ุฑุฉ ู‡ุฐูˆ
273
00:23:31,810 --> 00:23:38,490
ุฑู‚ู…ูŠู† ู…ุฎุชู„ูุฉ 64 ูˆ 74 ู‡ุฐุง
274
00:23:38,490 --> 00:23:44,250
ุงู„ุญุฌุฒ ู…ุน 101 101 ุงูŠุด ู„ูˆู†ู‡ ุจู„ูˆ ุงุญู†ุง ุนุงู…ูŠู† ุฏูˆุฑู†ุง
275
00:23:44,250 --> 00:23:49,570
ุญูƒูŠู†ุง red or .. red or green ุฅุฐุง ู‡ูŠ ู†ุชูŠุฌุฉ ุงู„ูƒูˆูŠุฑูŠ
276
00:23:49,570 --> 00:23:56,000
ุงู„ู„ูŠ ู‡ุชุทู„ุน ุนู†ุฏูŠ ุจุงู„ุดูƒู„ ู‡ุฐุง ู†ุชุฃูƒุฏุŸ ู†ุฌุฑุจุŸ ูˆ ู„ุง ูˆุงุถุญุฉุŸ
277
00:23:56,000 --> 00:24:01,020
ูˆ ู„ุง ู„ุงุฒู… ู†ุงุฎุฏ ู…ุซุงู„ ุนู„ู‰ ุงู„ู€ OracleุŸ ูˆุงุถุญุฉุŸ ุทูŠุจุŒ
278
00:24:01,020 --> 00:24:04,160
ุงู„ุขู† ู…ู…ูƒู† ุฃูˆุตู„ ู„ู†ูุณ ุงู„ู†ุชูŠุฌุฉ ุจุฅู†ูŠ ุฃุนู…ู„ two queries
279
00:24:04,160 --> 00:24:09,420
ู…ู†ูุตู„ุงุชุŒ
280
00:24:09,420 --> 00:24:13,760
ูˆุงุญุฏุฉ ุจุณ ู„ู„ู€ Red ูˆ ูˆุงุญุฏุฉ ุจุณ ู„ู„ู€ Green ูˆ ุฃุฌู…ุน ุจูŠู†ู‡ู…
281
00:24:13,760 --> 00:24:18,980
ููŠ ู…ูŠู†ุŸ ููŠ Union ูˆ ุชุนุทูŠู†ูŠ ู†ูุณ .. ุชุนุทูŠู†ูŠ ู†ูุณ
282
00:24:18,980 --> 00:24:25,220
ุงู„ู†ุชูŠุฌุฉ ุญูŠู† ู‡ู†ุดูˆู ุฅูŠุด ู…ูŠุฒุชู‡ุง ู„ูˆ ุจุฏูŠ ุฃุบูŠุฑ ููŠ ุฃู…ูˆุฑ
283
00:24:25,220 --> 00:24:29,360
ู„ู…ุง ู‡ุบูŠุฑู‡ุง ู‡ุงู„ union ู‡ูŠ ุงู„ุฃุธุจุท ู‡ู†ุง ู‡ู†ุดูˆู ูƒู„ ุฅูŠุด
284
00:24:29,360 --> 00:24:33,420
ุจุงู„ู…ุซุงู„ ู…ูŠู† ุฐูƒุฑู†ูŠ ููŠ ุงู„ query ุงู„ู„ูŠ ูƒุชุจู†ุงู‡ุง ุนู…ู„ู†ุง
285
00:24:33,420 --> 00:24:43,040
select ู„ู„ S SID ุทู„ุจู†ุง ุงุญู†ุง ุงู„ุฑู‚ู… ู…ู† the from
286
00:24:43,040 --> 00:24:48,080
sellers S ูˆ ุงู„ reserves
287
00:24:50,900 --> 00:24:59,740
ูˆ ุงู„ quotes ุจูŠ where where ุจุฏู†ุง ู†ุฑุจุท ุจูŠู† ุงู„ุฌุฒุงูˆูŠ
288
00:24:59,740 --> 00:25:07,660
ุงู„ SID ุจุณุงูˆูŠ ุงู„ R SID and ู…ุงู†ู†ุณุงุด ุงู„ and ุฏู‡ ู†ุญูƒูŠ
289
00:25:07,660 --> 00:25:14,360
ุงู„ R BID ุจุชุณุงูˆูŠ ุงู„ B.BID and
290
00:25:19,040 --> 00:25:24,840
ุทูŠุจ ุนุดุงู† ู„ู…ุง ู†ู†ุฒู„ ุฃุณุทุฑ ููŠ ุงู„ SQL ุงู„ SQL ุณูˆุงุก ูƒุชุจุช
291
00:25:24,840 --> 00:25:28,520
ูƒู„ ุงู„ command ููŠ ุณุทุฑ ูƒู„ู‡ ููŠ ุณุทุฑ ุฃูˆ ูƒุชุจุชู‡ ุนู„ู‰ ุนุดุฑูŠู†
292
00:25:28,520 --> 00:25:32,540
ุณุทุฑ ู†ูุณ ุงู„ุดูŠุก ู‡ูˆ ุจุจุฏุฃ ูŠุชุฑุฌู… ู…ู† ุณุงุนุฉ ู…ูƒุชุจ select
293
00:25:32,540 --> 00:25:36,480
ู„ุนู†ุฏ ู…ุญุท ุณูŠู…ูŠ ูƒูˆู„ูŠ ูƒู„ู‡ ูุงู†ุง ุจุฏุฃ ุฃู†ุฒู„ ุณุทุฑ ุนุดุงู† ุฃุฑุชุจ
294
00:25:36,480 --> 00:25:43,660
ุจุณ ุงู„ุดุบู„ ู‡ู†ูุชุญ ู‚ูˆุณ ูˆุฅูŠุด ู†ูƒุชุจ ุจูŠ ุฏูˆุช color ุจุชุณุงูˆูŠ
295
00:25:43,660 --> 00:25:46,980
red or
296
00:25:49,730 --> 00:25:57,290
b.color ุจุชุณุงูˆูŠ green
297
00:25:57,290 --> 00:26:02,310
22
298
00:26:02,310 --> 00:26:11,530
ูƒู… ู…ุฑุฉ ุงุชูƒุฑุฑุŸ ู…ุฑุฉุŒ ุชู†ุชูŠู†ุŒ ุชู„ุงุชุฉุŒ ู…ุฑุชุจูŠู†ุŸ ู„ูŠุดุŸ ููŠ
299
00:26:11,530 --> 00:26:15,690
ุงู„ database ู…ุงููŠุด ู…ุนู†ู‰ ู„ู„ุชุฑุชูŠุจ ู„ุฃู† ุฃู†ุง ู„ู…ุง ุจุฏูŠ
300
00:26:15,690 --> 00:26:20,780
ุฃุนุฑุถ ุฅุฐุง ุจุฏูŠ ุฃุฑุชุจู‡ู… ููŠ orderูู‰ order by ูู‰ command
301
00:26:20,780 --> 00:26:24,440
ุงุณู…ู‡ order by ุจุณ ุงุญู†ุง ู„ุณู‡ ู…ุง ุดุฑุญู†ุงู‡ ูุนู†ุฏูŠ ู‡ู‰ ุงู„ 22
302
00:26:24,440 --> 00:26:28,540
ุชู„ุงุช ู…ุฑุงุช ููŠ ุนู†ุฏูŠ ุงู„ 31 ุจุฑุถู‡ ุชู„ุงุช ู…ุฑุงุช ููŠ ุนู†ุฏูŠ ุงู„
303
00:26:28,540 --> 00:26:36,200
64 ู…ุฑุฉ ูˆ ุงู„ 74 ู…ูˆุฌูˆุฏ ู…ุฑุฉ ุทูŠุจ ู†ุฌุฑุจ ู†ุนู…ู„ ู†ูุณ ุงู„ ..
304
00:26:36,200 --> 00:26:42,800
ุงู„ .. ุงู„ query ุจุณ ุจุฅูŠุด ุจุงู„ union ุฏู‡ ุนู…ู„ select sid
305
00:26:42,800 --> 00:26:44,680
from
306
00:26:50,570 --> 00:26:55,390
ุงู„ู€ where ุงู„
307
00:26:55,390 --> 00:27:01,550
SID ุจูŠุณุงูˆูŠ ุงู„ RSID ูˆ ุงู„ RBID ุจูŠุณุงูˆูŠ ุงู„ BID ุงู„ B
308
00:27:01,550 --> 00:27:10,950
dot color ุจุชุณุงูˆูŠ red ุจุณ ูˆ ุจุฏูŠ ุฃู†ุฒู„ ุณุทุฑ ูˆ ุฃุนู…ู„ ุงู„ุฃู†
309
00:27:10,950 --> 00:27:27,350
union ูˆ ุฃุฑุฏ ุฃุนู…ู„ select ู„ู„ SID from
310
00:27:27,350 --> 00:27:34,630
ูˆู‡ูŠ
311
00:27:34,630 --> 00:27:38,830
ุงู„ where ูˆุจุฏู„
312
00:27:38,830 --> 00:27:45,230
ุงู„ red ุงุญุท ุงูŠุด ุงู„ green ุงูŠุด
313
00:27:45,230 --> 00:27:45,870
ุงู„ุงุฎุชู„ุงู
314
00:27:49,240 --> 00:27:56,560
ู…ุด ุชูƒุฑุงุฑ by default ุญุทูŠู†ุง ุงุญู†ุง ูƒู„ู…ุฉ distinctุŸ by
315
00:27:56,560 --> 00:28:00,640
default ุงู„ union ูˆ ุงู„ intersect ูˆ ุงู„ except
316
00:28:00,640 --> 00:28:05,520
ุจูŠุนู…ู„ูˆู„ูŠ distinct ุทุจ ูˆ ุงุฐุง ุจุฏูŠุด ุงู†ุง distinct ุจุฏูŠ
317
00:28:05,520 --> 00:28:11,320
ุงุฎุฏ ู†ูุณ ุงู„ู†ุชูŠุฌุฉ ุงุฐุง ุงู†ุง ุจุฏูŠ ุงู„ุชูƒุฑุงุฑ ุจุญุท union all
318
00:28:11,320 --> 00:28:19,020
intersect all except all ูŠุนู†ูŠ ู‡ูŠุจุฏู‰ ุนูŠุฏู‡ุง ู†ูุณู‡ุง ูˆ
319
00:28:19,020 --> 00:28:24,300
ุจุฏูŠ ุงุญุท ุจุฏู„ union union all ู‡ูŠ ุจุฏู†ุง ู†ุญุท ู‡ูŠ ุงู„
320
00:28:24,300 --> 00:28:31,680
select ูˆ ู‡ูŠ ุงู„ from ูˆ ู‡ูŠ ุงู„ condition ุงู„ู„ูŠ ูƒุงู†
321
00:28:31,680 --> 00:28:40,900
ุนู†ุฏู†ุง ุงู„ red ูˆ ุงู„ุฃู† ุจุฏู†ุง ู†ุณุชุฎุฏู… ุงูŠู‡ ู‡ุด union all
322
00:28:40,900 --> 00:28:46,240
ู†ุฑุฌุน ูƒู…ุงู† ู…ุฑุฉ select
323
00:28:48,440 --> 00:28:57,100
ุงู„ู€ from ุงู„ where green ุฅูŠุด ุฑุฌุนุŸ ุฃุนุทุงู†ูŠ ู†ูุณ
324
00:28:57,100 --> 00:29:01,680
ุงู„ู†ุชูŠุฌุฉ ุจุงู„ุชูƒุฑุงุฑ ูŠุนู†ูŠ ุฃู†ุง ุจุฏู„ ู…ุง ุฃูƒุชุจ ุงู„ query ูˆ
325
00:29:01,680 --> 00:29:07,000
ูŠูƒูˆู† ููŠู‡ุง or ุงู„ู„ูŠ ู‡ูˆ ุงู„ b color red ุณูˆุงุก red or ุงู„
326
00:29:07,000 --> 00:29:10,700
b color ุจูŠุณุงูˆูŠ green ุงุณุชุนุงุฏุช ุนู†ู‡ุง ุจุฅู†ูŠ ุนู…ู„ุช two
327
00:29:10,700 --> 00:29:16,390
queries ู…ู†ูุตู„ุงุช select ูˆ ูƒู…ุงู† select select ุชุทู„ุน ู„ูŠ
328
00:29:16,390 --> 00:29:19,010
ุงู„ู†ุงุณ ุงู„ู„ูŠ ุงุณุชุฃุฌุฑุช ุฃูˆ ุญุฌุฒุช ู…ุฑุงูƒุจ ุฎุถุฑุงุก ูˆ select
329
00:29:19,010 --> 00:29:21,470
ุชุทู„ุน ู„ูŠ ุงู„ู†ุงุณ ุงู„ู„ูŠ ุงุณุชุฃุฌุฑุช ู…ุฑุงูƒุจ ุงู„ุญู…ุฑุงุก ูˆ ุงุนู…ู„ู‡ู…
330
00:29:21,470 --> 00:29:26,610
union ุงู„ union by default ููŠู‡ุง ุงูŠุดุŸ distinct ูŠุนู†ูŠ
331
00:29:26,610 --> 00:29:35,450
ู…ุงุจุชุนู…ู„ุด ุชูƒุฑุงุฑ ูุนุทุชู†ูŠ ุงู„ุฌูˆุงุจ 22 31 64 64 ุฅุฐุง
332
00:29:35,450 --> 00:29:38,010
ุฃู†ุง ู…ุนู†ู‰ ุจุงู„ุชูƒุฑุงุฑ ูˆ ูŠุนุทูŠู†ูŠ ู†ูุณ ุงู„ู†ุชูŠุฌุฉ ู„ู…ุง ูƒู†ุช
333
00:29:38,010 --> 00:29:44,810
ุญุงุทุท or ุจูŠุฏุนู… ุงู„ union all ุชู…ุงู…ุŸ
334
00:29:46,010 --> 00:29:50,810
ุทูŠุจ ูˆูŠู† ุชุจุฏุฃ ุงูˆู„ ุงุฎุชู„ุงู ุงุฐุง ุดูˆูู†ุง ุงู† ุงู„ union ููŠู‡ุง
335
00:29:50,810 --> 00:29:57,690
destiny ุทูŠุจ ู„ูˆ ุงุญู†ุง ุญูƒูŠู†ุง ุจุฏู†ุง ุงู„ู†ุงุณ ุงู„ู„ูŠ ุญุฌุฒูˆุง
336
00:29:57,690 --> 00:30:03,190
ู…ุฑุงูƒุจ ุฎุถุฑุฉ ูˆ ู‡ู… ู†ูุณู‡ู… ุญุฌุฒูˆุง ู…ุฑุงูƒุจ ุญู…ุฑุฉ ุจุฏู„ ุงู„ or
337
00:30:03,190 --> 00:30:07,870
ุงู†ุณูˆู†ุง ู…ู† ุงู„ intersection ุจู†ูุน ู†ุญุท and ููƒุฑูˆุง ููŠู‡ุง
338
00:30:07,870 --> 00:30:15,650
ุจู†ูุน ู†ุญุท and ู‡ู„ ููŠ ู…ุฑูƒุจ ู‡ูˆ ู†ูุณู‡ ู„ูˆู†ู‡ ุฃุญู…ุฑ ูˆ ุฃุฎุถุฑ ู„ูˆ
339
00:30:15,650 --> 00:30:17,830
ุญุทูŠู†ุง and ูŠุนู†ูŠ ุฒูŠ ูƒุฏู‡ ุฅุฐุง ุงุญู†ุง ุจู†ุณุฃู„ ุงู„ Oracle
340
00:30:17,830 --> 00:30:22,890
ุฅู†ู†ุง ุจุฏู†ุง ู…ุฑูƒุจ ู„ูˆู†ู‡ ุฃุฎุถุฑ ูˆ ุฃุญู…ุฑ ุทุงู„ุจ ุนู„ุงู…ุชู‡ ุงุญู†ุง
341
00:30:22,890 --> 00:30:26,090
ู„ู…ุง ู†ุญูƒูŠ ุจุฏู†ุง ุงู„ุทู„ุงุจ ุงู„ู„ูŠ ุฌุงูŠุจูŠู† ุฎู…ุณูŠู† ูˆ ุงู„ุทู„ุงุจ
342
00:30:26,090 --> 00:30:30,170
ุงู„ู„ูŠ ุฌุงูŠุจูŠู† ุณุจุนูŠู† ุนู„ุงู…ุชู‡ู… ุจู†ุนู…ู„ู‡ู… union ุฎู…ุณูŠู† ูˆ
343
00:30:30,170 --> 00:30:33,670
ุณุจุนูŠู† union ุฅุฐุง ู…ุงุฌูŠ ุฃุญูƒูŠู„ู‡ and ูŠุนู†ูŠ ุงู„ุทุงู„ุจ ู†ูุณู‡
344
00:30:33,670 --> 00:30:36,790
ู…ุงุฎุฏ ุฎู…ุณูŠู† ูˆ ุณุจุนูŠู† ููŠ ุญุฏ ุจูŠุงุฎุฏ ู†ูุณ ุงู„ู…ุณุงู‚ุน ุนู„ุงู…ุฉ
345
00:30:36,790 --> 00:30:41,210
ุฎู…ุณูŠู† ูˆ ุณุจุนูŠู† ู…ุงููŠุด ุนู†ุฏูŠ ู…ุฑูƒุจ ู„ูˆู†ู‡ ุฃุญู…ุฑ ูˆ ุฃุฎุถุฑ ููŠ
346
00:30:41,210 --> 00:30:46,960
ู†ูุณ ุงู„ู„ุญุธุฉ ุฅูŠุด ุงู„ุญู„ุŸ ุงู„ุญู„ ุจุฏู†ุง ู†ุฑูˆุญ ู„ู„ 6 operations
347
00:30:46,960 --> 00:30:51,180
ุจุฏู†ุง ู†ุณุชุฎุฏู… ุงู„ู„ูŠ ู‡ูŠ ู…ูŠู†ุŸ ุจุฏู†ุง ู†ุณุชุฎุฏู… ุงู„ Intersect
348
00:30:51,180 --> 00:30:55,360
ุงู„ Intersect ู‡ุชุทู„ุน ู„ูŠ ู‚ุงุฆู…ุฉ .. ู‡ุชุทู„ุน ู„ูŠ ู‚ุงุฆู…ุฉ ุจุงู„ู„ูŠ
349
00:30:55,360 --> 00:30:58,900
ุฃู†ุง ุจุฏูŠู‡ุง ุทูŠุจ ุชุทู„ุนูˆุง ุนู„ู‰ ุงู„ุฌุฏูˆู„ ุนู†ุฏูƒู… ูˆ ุฃู†ุง ุจูƒุชุจ
350
00:30:58,900 --> 00:31:01,560
ุงู„ query ุจุชุงุนุฉ ุงู„ Intersect ู†ูุณ ุงู„ query ุจุณ ุชุญูˆู„ู‡
351
00:31:01,560 --> 00:31:04,480
ู„ Intersect ุชุทู„ุนูˆุง ุนู„ู‰ ุงู„ุฌุฏูˆู„ ุนู†ุฏูƒู… ู…ูŠู† ู‡ู… ุงู„ู†ุงุณ
352
00:31:04,480 --> 00:31:08,940
ุงุณุชุฌุฑูˆุง ู‚ูˆุงุฑุจ ุญู…ุฑุฉ ูˆ ุฎุถุฑุฉ ููŠ ู†ูุณ ุงู„ .. ุงู„ whatุŸ
353
00:31:12,970 --> 00:31:19,150
ู‡ูŠ select from ูˆู‡ูŠ ุงู„ wear condition ุงู„ู„ูŠ ูƒุงู†
354
00:31:19,150 --> 00:31:40,290
ุนู†ุฏู†ุง red ูˆู‡ูŠ intersect intersect ูˆู‡ูŠ
355
00:31:40,290 --> 00:31:52,420
green ูŠู„ุง ู…ูŠู† ูŠุนุทูŠู†ุง ู†ุชูŠุฌุฉ ุจุณุฑุนุฉ 21 22 31 21 22 31
356
00:31:52,420 --> 00:32:00,560
ุจุณ ุจุณ ู…ูŠู† ู†ุงุฎุฏ 64 ูˆ 74 ู…ุด ู†ูุณ ุงู„ุดุฎุต ู…ุด ู†ูุณ ุงู„ุฑู‚ู…
357
00:32:00,560 --> 00:32:08,360
ุทูŠุจ ู‡ู†ุถุบุท enter ูˆ ู†ุดูˆู 22 31 Dustin ูˆ Luba Dustin ูˆ
358
00:32:08,360 --> 00:32:12,980
Louber 22 ูˆ 31 ู‡ุฏูˆู„ ุญุฌุฒูˆุง ููŠ ู†ูุณ ุงู„ู„ุญุธุฉ ู‡ู„ ู…ู…ูƒู†
359
00:32:12,980 --> 00:32:17,440
ุงูƒุชุจ ุงู„ query ู‡ุฐู‡ ุจ and ุจุฏู„ ุงู„ orุŸ ู…ุด ู…ู…ูƒู† ู‡ุฐู‡ ุงู„
360
00:32:17,440 --> 00:32:21,580
query ุงู„ู„ูŠ ูƒุงู†ุช ุนู†ุฏู†ุง ููŠ ุงู„ slide ุดุฑุญู†ุงู‡ุง ุจุงู„ or
361
00:32:21,580 --> 00:32:25,180
ุนู…ู„ู†ุงู‡ุง ุจุงู„ union ูˆ ู„ุงุญุธูˆุง ุงู† ุงุญู†ุง ูƒุงู† ุดุบู„ู†ุง ุนู„ู‰
362
00:32:25,180 --> 00:32:29,920
ุงู„ SID ุทุจ ู„ูˆ ูƒุงู† ุดุบู„ู†ุง ุนู†ูŠู†ุŸ ูˆ ุนู…ู„ู†ุง intersect
363
00:32:29,920 --> 00:32:37,180
intersect ู…ุด union ุฑู‚ู… ุงุญู†ุง ูƒุงู† ู‡ู†ุง 64 ูˆ 74ุŒ ุฅูŠุด
364
00:32:37,180 --> 00:32:44,440
ุงุณู…ู‡ู… 64 ูˆ 74ุŸ ู‡ูˆุฑุงุดูŠูˆ ู†ูุณ ุงู„ุงุณู…ุŒ ุงู„ุงุชู†ูŠู† ู…ุฎุชู„ููŠู†
365
00:32:44,440 --> 00:32:48,520
ุจุณ ู†ูุณ ุงู„ุงุณู…ุŒ ุงุญู†ุง ู„ูˆ ูƒุงู† ู‡ุชู‡ูŠุฃ Intersect ูˆ ุจุฏู„
366
00:32:48,520 --> 00:32:55,720
SID ูƒุงู† ู…ุทู„ูˆุจ ุงู„ู†ุงู…ุŒ ู‡ูŠุงุฎุฏ .. ู‡ูŠุงุฎุฏู‡ู… ูˆู„ุง ู„ุฃุŸ ุงุญู†ุง
367
00:32:55,720 --> 00:32:59,300
ู„ู…ุง ุนู…ู„ู†ุง Intersect ู…ูŠู† ุทู„ุนุŸ ุทู„ุน ู„ูˆุจุฑ ูˆ ุฏุงุณุชู†ุŒ ู‡ู„
368
00:32:59,300 --> 00:33:01,300
ู‡ูŠุธู„ู‡ู… ู„ูˆุจุฑ ูˆ ุฏุงุณุชู† ูˆู„ุง ู‡ูŠุตูŠุฑ ู„ูˆุจุฑ ูˆ ุฏุงุณุชู† ูˆ
369
00:33:01,300 --> 00:33:01,920
ู‡ูˆุฑุงุดูŠูˆุŸ
370
00:33:04,650 --> 00:33:08,010
ูุงูƒุฑูˆุง ููŠู‡ุง ููŠ ุงู„ุจูŠุช ุฃู†ู‡ ุจุฏู‡ ู†ุญุท ุงู„ name ูˆ ู†ุนู…ู„
371
00:33:08,010 --> 00:33:13,150
intersect ู‡ุงูŠ ุงู„ุณุคุงู„ ุฃู†ุง ุณุฃู„ุชู‡ ู‡ู„ ุจูŠุธุจุท ุฃุญุท ุงู„ and
372
00:33:13,150 --> 00:33:17,750
ุจุฏู„ ุงู„ or ุนุดุงู† ุฃู†ุง ุฃุญุตู„ ุนู„ู‰ ุงู„ intersection ุงู„ุฌูˆุงุจ
373
00:33:17,750 --> 00:33:22,250
ู„ุฃ ู‡ุฐู‡ ุงู„ version ู…ุงุจุชุธุจุทุด ู†ูƒุชููŠ ุจุนุฏ ุงู„ู‚ุฏุฑ ูˆ ุจู†ูƒู…ู„
374
00:33:22,250 --> 00:33:28,810
ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ุฌุงูŠ ูŠูˆู… ุงู„ุฃุฑุจุน ุงู† ุดุงุก ุงู„ู„ู‡ ูŠุนุทูŠูƒู…
375
00:33:28,810 --> 00:33:29,270
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