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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ูŠูˆู… ุญูŠูƒูˆู† ูƒู„ุงู…ู†ุง ุชูƒู…ู„ุฉ ุนู„ู‰
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ุฏุฑุณ ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ููŠ ูŠูˆู… ุงู„ุงุซู†ูŠู† ุงู„ู„ูŠ ู‡ูˆ ูƒุงู†
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ุจูŠุชูƒู„ู… ุนู† database design ุญูƒูŠู†ุง ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ุฃู†
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ุนู…ู„ูŠุฉ ุงู„ database design ุจุชู…ุฑ ููŠ ุณุช ุฎุทูˆุงุช ุซู„ุงุซ
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ู…ู†ู‡ุง ู„ู‡ุง ุนู„ุงู‚ุฉ ููŠ ุงู„ entity relationship model
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ุงู„ู„ูŠ ู‡ูˆ ุงู„ ER model ุงู„ุซู„ุงุซ ุฎุทูˆุงุช ุงู„ู„ูŠ ู„ู‡ู… ุนู„ุงู‚ุฉ ููŠ
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ุงู„ ER model ุฃูˆู„ ุฎุทูˆุฉ ุงู„ู„ูŠ ู‡ูŠ ุฃูŠุด ู…ูŠู† ู…ุฐูƒุฑ ู…ุนู†ุงู‡ุงุŸ
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00:00:51,420 --> 00:00:54,220
ุชุญุฏูŠุฏ ุงู„ู…ุทู„ุจุงุช requirement analysis ุงู„ุฎุทูˆุฉ ุงู„ุซุงู†ูŠุฉ
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ุงู„ุฎุทูˆุฉ ุงู„ุซุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุฃู†ู‡ ู†ุฑุณู… ุงู„ ER ู†ูุณู‡ ุงู„ุฎุทูˆุฉ
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ุงู„ุซุงู„ุซุฉ ุฃู† ุฃุญูˆู„ู‡ุง ู…ู† concept design ู„ relational
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design ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† relational
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database model ุฃูˆ ุงู„ table ู‡ุฐู‡ ุทุจุนุง ุงู„ุฎุทูˆุงุช
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ุงู„ุซู„ุงุซ ุฎุทูˆุงุช ุงู„ุซุงู†ูŠุฉ ุงู„ู„ูŠ ู…ุง ู‡ู… ู…ุด ุนู„ุงู‚ุฉ ููŠ ุงู„ ER
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Design ู…ู†ู‡ุง ุงู„ุฎุทูˆุฉ ุงู„ุฑุงุจุนุฉ ุงู„ู„ูŠ ู†ุดุฑุญู‡ุง ุงุญู†ุง ููŠ ู‡ุฐุง
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ุงู„ู…ุณุงู‚ ุงู„ู„ูŠ ู‡ูŠ ุงู„ schema refinement ุงู„ู„ูŠ ู†ุนุฏู„ ุนู„ู‰
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ุงู„ schema ู…ู† ุฎู„ุงู„ ุนู…ู„ูŠุฉ ุงู„ู„ูŠ ุงุณู…ู‡ุง Normalization
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ุจุงู‚ูŠ ุงู„ุฎุทูˆุงุช ุงู„ physical design ูˆ ุงู„ security
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design ู…ุง ุจู†ุญูƒูŠุด ุนู†ู‡ู… ูƒุซูŠุฑ ููŠ ุงู„ู…ุงุฏุฉ ู‡ู†ุง ุชูƒู„ู…ู†ุง
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ุนู† ููˆุงุฆุฏ ุงู„ ER Model ุฃุจุฑุฒ ูุงุฆุฏุชูŠู† ูŠู‡ู…ู†ูŠ ููŠ ุงู„ ER
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Model ุงู„ู„ูŠ ู‡ู… .. ุทุจ ุงุณู…ูƒ .. ุงุณู…ูƒ .. ู…ุงุฏุงู…ูƒ ู…ุญุถุฑุฉ ูˆ
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ุจุชุฌูŠุจูŠ ุงุณู…ูƒ ุงุณู…ูƒ ุฑูˆุงู† .. ุฑูˆุงู† ุนูŠุด .. ุฑูˆุงู† ุงู„ุนุดูŠ ..
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ุฃุจูˆ ุงู„ุนูŠุด .. ุฑูˆุงู† ุฃุจูˆ ุงู„ุนูŠุด .. ุชูุถู„ูŠ ูŠุง ุฑูˆุงู† ุงู„
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documentation ูŠุนู†ูŠ ุชูˆุตู ุงู„ู…ุนู„ูˆู…ุงุช ูˆ ุจูŠุนุทูŠู†ูŠ ู…ุฎุทุท
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ูˆุงุถุญ ู„ู„ุชุนุงู…ู„ ุจูŠู† ู…ุจุฑู…ุฌูŠู† ุจูŠู† ุงู„ developers ุฅุฐุง ุฃู†ุง
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ู‡ุณู‡ู„ ุงู„ communication ุจูŠู† ุงู„ developers ุงู„ุชูˆุงุตู„
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ุจูŠู† ุงู„ developers ูˆ ุงู„ู…ุจุฑู…ุฌูŠู† ูˆ ููŠ ู†ูุณ ุงู„ูˆู‚ุช ููŠ
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ุนู†ุฏูŠ documentation ูˆุงุถุญุฉ ู„ุดุบู„ูŠ ูŠุนู†ูŠ ุงู„ุดุบู„ ู…ุด
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ู…ูˆุฌูˆุฏ ููŠ ุงู„ู‡ูˆุงุก ูƒู„ุงู… ู„ุฃ ููŠ ุนู†ุฏูŠ ุฃูˆุฑุงู‚ ูˆ
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00:02:19,920 --> 00:02:23,600
documentation ูˆ ุจุฏุฃู†ุง ู†ุชูƒู„ู… ููŠ ุงู„ ER diagram ุจุฏุฃู†ุง
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00:02:23,600 --> 00:02:27,660
ู†ุชูƒู„ู… ุนู† ุฃูˆู„ ู…ูƒูˆู†ุงุชู‡ ุญูƒูŠู†ุง ุฃู‡ู… ู…ูƒูˆู†ุงุชู‡ ุฃู† ููŠ ุนู†ุฏูŠ
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entity ูˆ ุนู†ุฏูŠ relation object ู„ entity ูŠุนู†ูŠ object
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shape ูˆ ุงู„ relation ู‡ูŠ ุงู„ุนู„ุงู‚ุฉ ุฃูˆ ุงู„ุชูุงุนู„ ุจูŠู† ู‡ุฐู‡
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ุงู„ุฃุดูŠุงุก ุจูŠู† ุงู„ objects ุนุดุงู† ู‡ูŠ ุฃุฌุฒุงุฆู‡ entity
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relationship
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ูˆ ุนุฑูู†ุง ู„ู‡ entity ู‡ูŠ real world object ุฃูŠ ุฅูŠุด
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ู…ูˆุฌูˆุฏ ููŠ ุงู„ูˆุงู‚ุน ุฒุจูˆู† ุฏูˆุงุก ุทุงู„ุจ course ู…ุงุฏุฉ ููŠ
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ุงู„ุฌุงู…ุนุฉ department ู‚ุณู… ู…ูˆุธู ู‡ุฐู‡ ุฃุดูŠุงุก entities ูˆ
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ุจูŠุฌู…ุนู‡ุง ุฃู†ู‡ุง ุจุชูƒูˆู† ู…ุชุดุงุจู‡ุฉ ูู†ุญุทู‡ุง ููŠ entity set ูˆ
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ุจู†ู…ุซู„ู‡ุง ุจุดูƒู„ rectangle ููŠ ุงู„ ER model ูƒู„ entity
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set ู…ู† ู‡ุฏูˆู„ ุงู„ู„ูŠ ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ุฎูˆุงุต attributes
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ุญุทูŠู†ุงู‡ู… ููŠ ุงู„ุดูƒู„ ุงู„ุจูŠุถุงูˆูŠ ุงู„ oval head ูˆุนู„ู…ู†ุง ุงู„
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primary key ุจุฃู†ู‡ ุญุทูŠู†ุง ุชุญุช ุฎุท underline ุงู„ primary
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key ุงู„ู„ูŠ ุจุนุจุฑ ุนู† ุงู„ entity set ุญูƒูŠู†ุง ุฃู‡ู… ุงู„ุฃุดูƒุงู„
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ุงู„ู„ูŠ ุจุชู…ุฑ ู…ุนู†ุง ููŠ ุงู„ ER model ุงู„ rectangle ุจุดูƒู„ ุงู„
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entity ุฃูˆ ุชุญุฏูŠุฏุง ุงู„ entity set ู„ุฃู† ุฃู†ุง ููŠ ุงู„ู†ู‡ุงูŠุฉ
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ุจุชุนุงู…ู„ุด ููŠ ุงู„ model ูˆู…ุน ุงู„ entity ู†ูุณูŠ ู…ุน ุงู„
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entity set ุงู„ relationship set ุจุฑุถู‡ ู…ุด ุงู„
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relationship ุงู„ relationship set ุจุณ ุงุญู†ุง ู†ูุณู†ุง
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ู†ุญูƒูŠ relationship ุงู„ attributes ููŠ ุนู†ุฏู†ุง ุงู„
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weekend ุชุญู†ูŠุฌูŠ ู†ุชูƒู„ู… ุนู†ู‡ ููŠ ุนู†ุฏู†ุง ุงู„ multivalue
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attribute ูŠุนู†ูŠ ุงู„ attribute ููŠู‡ ุฃูƒุซุฑ ู…ู† ู‚ูŠู…ุฉ ูˆู‡ุฐุง
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ู…ุง ุจู†ุณุชุฎุฏู…ูˆุด ููŠ ุงู„ design ุชุจุน ุงู„ database ู„ุฃู† ููŠ ุงู„
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database ู„ุงุฒู… ูƒู„ attribute ูŠูƒูˆู† ู„ู‡ one value ู…ู…ู†ูˆุน
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ูŠูƒูˆู† multivalue ู‡ุฐุง ุงู„ูƒู„ุงู… ู‡ู†ุดูˆูู‡ ู„ู‚ุฏุงู… ูู…ุด ู‡ุชู„ุงู‚ูŠ
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00:04:01,920 --> 00:04:07,530
ููŠ ุงู„ุฑุณู… ุงู„ุดูƒู„ ู‡ุฐุง ู…ู…ูƒู† ููŠ ู„ุบุงุช ุจุฑู…ุฌุฉ ุซุงู†ูŠุฉ ููŠ bhp
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ููŠ c ููŠ ูƒุฐุง ู„ู…ุง ุชุฑุณู… ุงู„ er model ุชูƒูˆู† ุนู†ุฏูƒ ุงู„ุดูƒู„
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ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ double ovals slide
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ู‡ุฐู‡ ุดุฑุญู†ุงู‡ุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ูˆู„ุง ู„ุณู‡ ู…ุง ูˆุตู„ู†ุงู‡ุงุด ุงุญู†ุง
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ูˆุตู„ู†ุง ูŠุนู†ูŠ ุจุณ ุนู†ุฏ ุงู„ slide ุงู„ู„ูŠ ู‚ุจู„ ุดูˆูŠุฉ ุงู„ุขู† ุงู„ ER
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model ููŠ ุนู†ุฏูŠ ุฃู†ุง ู…ุซุงู„ ุจุชุนุจุฑ ููŠู‡ ุนู† relation ุจูŠู†
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two entity sets ุงู„ entity set ุงู„ุฃูˆู„ู‰ ุงู„ employees
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ู…ูˆุธููŠู† ุงู„ู…ูˆุธููŠู† ู‡ุคู„ุงุก ุจูŠุดุชุบู„ูˆุง ููŠ departments ูƒู„ู…ุฉ
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ุจูŠุดุชุบู„ูˆุง works in ุงู„ุนู„ุงู‚ุฉ ุจุชุงุนุชู‡ู… ุงู„ relation ู‡ูŠ
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ุฃู†ู‡ู… works in ุงู„ departments ู‡ุคู„ุงุก ุทูŠุจ ุงู„ุขู† ุงู„
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employees ุฅูŠู‡ ุงู„ู„ูŠ ู‡ู… attributes number social
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security number ููŠ ู„ู‡ู… ุงู„ relation ู‡ุฐู‡ ุงู„ู„ูŠ ุนู†ุฏู†ุง
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00:05:04,230 --> 00:05:08,130
ุฅู„ู‡ุง attribute ู‡ู†ูŠุฌูŠ ู†ุญูƒูŠ ุนู†ู‡ ููŠ ุงู„ slide ุงู„ู„ูŠ
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ุจุนุฏูŠู‡ุง ููŠ ุนู†ุฏ ุงู„ institute ุงู„ุซุงู†ูŠ ุงู„ department ููŠ
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DID ูŠุนู†ูŠ ุงู„ department ID ุฑู‚ู… ุงู„ู‚ุณู… ููŠ ุนู†ุฏูŠ ุงุณู…
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00:05:16,140 --> 00:05:20,860
ู„ู„ู‚ุณู… D name ุงุฎุชุตุงุฑ department name ุงุณู… ุงู„ู‚ุณู…
71
00:05:20,860 --> 00:05:25,060
budget ู…ูˆุงุฒู†ุฉ ู…ุงู„ูŠุฉ ุฃู†ุง ููŠ ุงู„ู…ุคุณุณุฉ ุงู„ู„ูŠ ุจุดุชุบู„ ููŠู‡ุง
72
00:05:25,060 --> 00:05:28,820
ุฃูˆ ุงู„ุดุฑูƒุฉ ุฃูˆ ุงู„ุฌุงู…ุนุฉ ูƒู„ ู‚ุณู… ู„ู‡ ู…ูˆุงุฒู†ุฉ ู…ุงู„ูŠุฉ ุนุดุงู†
73
00:05:28,820 --> 00:05:33,760
ูŠุตุฑู ู…ู†ู‡ุง ู„ุงุญุธูˆุง ุฃู† ุงู„ works in ุงู„ relation ู‡ุฐู‡
74
00:05:33,760 --> 00:05:37,640
ุฃุถูู†ุง ู„ู‡ุง ูƒู…ุงู† attribute ุงู„ู„ูŠ ู‡ูˆ since ูŠุนู†ูŠ ุฃู†ุง
75
00:05:37,640 --> 00:05:43,100
ุนู†ุฏูŠ ู…ูˆุธู ุงุณู…ู‡ ุนู„ูŠ ุจูŠุดุชุบู„ ููŠ ู‚ุณู… ุงู„ุชุณูˆูŠู‚ ุจุงู„ุถุจุทุŒ ุจุฏูŠ
76
00:05:43,100 --> 00:05:45,900
ุฃุนุฑู ู…ู† ู…ุชู‰ ุจูŠุดุชุบู„ุŒ ุทุจ ู„ูŠุด ุจุฏูŠ ุฃุนุฑูุŸ ู„ุฃู†ู‡ ู…ู…ูƒู†
77
00:05:45,900 --> 00:05:49,420
ูŠูƒูˆู† ุฃู† ู‡ุฐุง ุงู„ู…ูˆุธู ู†ูุณู‡ ุนู„ูŠู‡ ูƒุงู† ุฃุจู„ูŠูƒ ุจูŠุดุชุบู„ ููŠ
78
00:05:49,420 --> 00:05:53,840
ุงู„ู…ุดุชุฑูŠุงุช ุฃูˆ ููŠ ุงู„ู…ุญุงุณุจุฉ ููŠ ุณู†ุฉ ุงู„ุฃู„ููŠู†ุŒ ููŠ
79
00:05:53,840 --> 00:05:57,520
ุงู„ุฃู„ููŠู† ูˆุฎู…ุณุฉ ุฑุงุญ ู…ุซู„ุง ุนู„ู‰ ู‚ุณู… ุฌุฏูŠุฏุŒ ููŠ ุงู„ุฃู„ููŠู†
80
00:05:57,520 --> 00:06:01,320
ูˆุนุดุฑุฉ ุฑุงุญ ุนู„ู‰ ู‚ุณู… ุซุงู„ุซุŒ ุซุงู„ุซ ู„ู…ุง ุจุดูˆู ููŠ ุงู„ู‚ูˆุงุนุฏ
81
00:06:01,320 --> 00:06:03,520
ุงู„ุจูŠุงู†ุงุช ุนู†ุฏูŠ ููŠ ุงู„ databaseุŒ ุจุดูˆู ุฅูŠู‡ ู„ู‡ ุซู„ุงุซุฉ
82
00:06:03,520 --> 00:06:08,460
recordsุŒ ุจุนุฑู ุฅู†ู‡ ุฃุญุฏุซ ุชุงุฑูŠุฎ ุฃุญุฏุซ ุชุงุฑูŠุฎ ุฃุญุฏุซ since
83
00:06:08,460 --> 00:06:11,960
ุจุชุฏู„ ุนู„ู‰ ุงู„ู‚ุณู… ุงู„ู„ูŠ ู‡ูˆ ู…ูˆุฌูˆุฏ ูˆูŠู† ููŠู‡ ุงู„ุขู† ููŠ
84
00:06:11,960 --> 00:06:15,800
ุงู„ู„ุญุธุฉ ู‡ุฐู‡ ุญุงู„ูŠุง ุฃู…ุง ุงู„ุจุงู‚ูŠุฉ ุฏุงูƒู‡ ุจูŠูƒูˆู† ุนุจุงุฑุฉ ุนู†
85
00:06:15,800 --> 00:06:22,160
history ุดูŠุก ู‚ุฏูŠู… ูู‡ุฐู‡ ุงู„ attribute ุจุชูˆุตู ุงู„
86
00:06:22,160 --> 00:06:24,220
relation ูˆู…ู…ูƒู† ุงู„ relation ู…ุง ูŠูƒูˆู†ุด ููŠู‡ ู„ู‡ุง
87
00:06:24,220 --> 00:06:29,280
descriptive attribute ู…ู…ูƒู† ู…ุง ุชูƒูˆู† ู„ู‡ุง descriptive
88
00:06:29,280 --> 00:06:30,340
attribute
89
00:06:33,100 --> 00:06:35,340
ุงู„ relation ู‡ูŠ ุงู„ู„ูŠ ุงุญู†ุง ุดุงูŠููŠู†ู‡ุง ูุนู„ูŠุง ู‡ูŠ ุนุจุงุฑุฉ
90
00:06:35,340 --> 00:06:39,040
ุนู† relation set ุงู„ relationship ุงู„ู„ูŠ ู‡ูŠ ุงู„ุนู„ุงู‚ุฉ
91
00:06:39,040 --> 00:06:45,200
ุจูŠู† ุนู„ูŠ ูˆ ู‚ุณู… ุงู„ู…ุดุชุฑูŠุงุช ุงู„ relationship set ู‡ูŠ
92
00:06:45,200 --> 00:06:48,800
ุนู„ุงู‚ุฉ ูƒู„ ุงู„ู…ูˆุธููŠู† ูƒู„ ูˆุงุญุฏ ู…ุน ุงู„ department ุงู„ู„ูŠ ู‡ูˆ
93
00:06:48,800 --> 00:06:53,140
ุจูŠุดุชุบู„ ููŠู‡ุง ู…ุฌู…ูˆุนุฉ ุงู„ุนู„ุงู‚ุงุช ุทุจุนุง ุนู„ุงู‚ุงุช ู…ุชุดุงุจู‡ุฉ ูŠุนู†ูŠ
94
00:06:53,140 --> 00:06:59,940
works in ูู†ุนุจุฑ ุนู†ู‡ุง ุจุงุณู… relation set ุงู„ู†ู‚ุทุฉ
95
00:06:59,940 --> 00:07:02,280
ุงู„ุซุงู†ูŠุฉ ุงู„ู…ู‡ู…ุฉ ุงู„ู„ูŠ ุญุงุทูŠู†ู‡ุง ููŠ ุขุฎุฑ ู†ู‚ุทุฉ ู‡ู†ุง ุฃู†
96
00:07:02,280 --> 00:07:08,170
ู…ู…ูƒู† ุงู„ู€ Entity set ู‡ุฐู‡ ูŠูƒูˆู† ุฃู† ู‡ูŠ ู…ุด ุจุณ ุงู„ุนู„ุงู‚ุฉ ู‡ูŠ
97
00:07:08,170 --> 00:07:10,950
ู…ู…ูƒู† ุชูƒูˆู† ุนู„ุงู‚ุงุช ุซุงู†ูŠุฉ ูŠุนู†ูŠ ุงู„ employees works in
98
00:07:10,950 --> 00:07:16,400
departments ููŠ ู†ูุณ ุงู„ูˆู‚ุช ูƒู…ุงู† employees responsible
99
00:07:16,400 --> 00:07:20,060
ุนู† ุงู„ projects ุฃู†ุช ุงู„ุณุช ุงู„ุฌุฏูŠุฏุฉ ู‡ุชูƒูˆู† ุงุณู…ู‡ุง projects
100
00:07:20,060 --> 00:07:24,520
ู‡ู… ู…ุณุฆูˆู„ูŠู† ุนู†ู‡ุง ูƒู„ ู…ูˆุธู ุจุชุงุจุน ู…ุดุฑูˆุน project ู…ุนูŠู†
101
00:07:24,520 --> 00:07:27,660
ู‡ูˆ ุจูŠุดุชุบู„ ููŠู‡ ุฃูˆ ุจูŠุชุนุงู…ู„ ู…ุนุงู‡ ูู…ู…ูƒู† ุฃู†ุช ุงู„ุณุช ูŠูƒูˆู†
102
00:07:27,660 --> 00:07:31,580
ู„ู‡ุง ุฃูƒุซุฑ ู…ู† ุงู„ relation ุงุญู†ุง ู„ู„ุชุจุณูŠุท ุงู„ุขู† ู…ุงุฎุฐูŠู†
103
00:07:31,580 --> 00:07:34,340
ุฃู†ุช ุงู„ุณุช ู„ู‡ุง relation ูˆุงุญุฏุฉ ุจุณ ู„ู…ุง ู†ุดูˆู ุงู„ diagram
104
00:07:34,340 --> 00:07:38,120
ุงู„ูƒุจูŠุฑ ู…ุง ู†ูู‡ู…ุชู‡ ุนุฑุถ ู…ุง ู‡ูŠูƒ ุดูƒู„ ูƒุจูŠุฑ ู„ุง ุฃูŠ ุฃูŠ ุงุฑ
105
00:07:38,120 --> 00:07:42,100
diagram ูƒุจูŠุฑ ู‡ู†ู„ุงู‚ูŠ ุฃู† ุฃู†ุช ุงู„ุณุช ู„ู‡ุง ุฃูƒุซุฑ ู…ู† ุงู„
106
00:07:42,100 --> 00:07:48,740
relation ุงู„ู†ู‚ุทุฉ ุงู„ุฃุฎูŠุฑุฉ ุฃู†ู‡ ู…ู…ูƒู† ุงู„ุนู„ุงู‚ุฉ ุชูƒูˆู† ู…ู†
107
00:07:48,740 --> 00:07:53,060
ุงู„ู„ูŠ ุฃู†ุช ุณุช ู‡ุฐู‡ ู†ูุณู‡ุง ุฑุงุฌุน ุนู„ู‰ ู†ูุณู‡ุง recursive ุฑุงุฌุน
108
00:07:53,060 --> 00:07:57,060
ุนู„ู‰ ู†ูุณู‡ุง ูƒูŠู ูŠุนู†ูŠ recursiveุŸ ูŠุนู†ูŠ ู„ู…ุง ุจู†ุญูƒูŠ
109
00:07:57,060 --> 00:08:03,120
ุงู„ู…ูˆุธู ู‡ุฐุง ุจูŠู‚ุฏู… ุชู‚ุฑูŠุฑู‡ ู„ูŠู‡ ู„ู…ูŠู† ุจูŠู‚ุฏู… ุชู‚ุฑูŠุฑู‡ุŸ
110
00:08:03,120 --> 00:08:06,320
ู„ู„ู…ูˆุธู ุฒูŠู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู…ุณุฆูˆู„ ุนู†ู‡ ุงู„ู…ุดุฑู ุนู„ูŠู‡ ุฃูˆ
111
00:08:06,320 --> 00:08:12,530
ุงู„ู…ูˆุธู ุงู„ูู„ุงู†ูŠ ู…ุดุฑู ุนู„ู‰ ุงู„ู…ูˆุธู ุงู„ุขุฎุฑ ูŠูˆุณู ู…ุดุฑู ุนู„ู‰
112
00:08:12,530 --> 00:08:16,090
ุนู„ูŠ ุงู„ุงุซู†ูŠู† ู…ูˆุธููŠู† ุงู„ุงุซู†ูŠู† ู…ูˆุฌูˆุฏูŠู† ููŠ ุงู„ employees
113
00:08:16,090 --> 00:08:20,830
ูˆ ุงู„ุนู„ุงู‚ุฉ ุจูŠู†ู‡ู… ุงู„ุฅุดุฑุงู ูู‡ูŠ ุนู„ุงู‚ุฉ ู…ู† ุงู„ employees
114
00:08:20,830 --> 00:08:26,170
ู„ ุงู„ employees ู…ู† employees ู„ employees ุงู„ุนู„ุงู‚ุฉ
115
00:08:26,170 --> 00:08:34,610
ุจูŠู† ุงู„ุฏูƒุชูˆุฑ ูˆ ุงู„ู…ุฑุถู‰ ู‡ูŠ ุงู„ุฏูƒุชูˆุฑ ูˆ ู‡ูŠ ุงู„ู…ุฑุถู‰ ุงู„ุนู„ุงู‚ุฉ
116
00:08:34,610 --> 00:08:38,850
ุจูŠู†ู‡ู… ุฃู†ู‡ ุจุนุงู„ุฌู‡ู…ุŒ ุตุญุŸ ู„ูƒู† ุจุฑุถู‡ ู…ู…ูƒู† ุงู„ุฏูƒุชูˆุฑ ูŠุนุงู„ุฌ
117
00:08:38,850 --> 00:08:43,670
ุฏูƒุชูˆุฑุŒ ูŠุนู†ูŠ ุฏูƒุชูˆุฑ ุนุธุงู…ุŒ ุฅูŠุฏู‡ ุงู†ูƒุณุฑุชุŒ ู…ุด ู‡ูŠุฌุจุณ
118
00:08:43,670 --> 00:08:47,670
ุญุงู„ุชู‡ุŒ ู‡ูŠุฌูŠ ุฏูƒุชูˆุฑ ุซุงู†ูŠ ุจุฑุถู‡ ูŠุนุงู„ุฌู‡ุŒ ูุจุฑุถู‡ ู†ูุณ
119
00:08:47,670 --> 00:08:52,290
ุงู„ุนู„ุงู‚ุฉ ู…ูˆุฌูˆุฏุฉ ู…ู† ุงู„ุฏูƒุชูˆุฑ ู„ู„ุฏูƒุชูˆุฑุŒ ุนุงุฆุฏุฉ ุนู„ู‰ ู†ูุณู‡ุŒ
120
00:08:52,290 --> 00:08:56,190
ู†ุนุจุฑ
121
00:08:56,190 --> 00:08:59,930
ุนู†ู‡ุง ููŠ ุงู„ุดูƒู„ ู‡ุฐุงุŒ ู‡ูŠ ุนู†ุฏ ุงู„ .. ุฃู†ุช ุงู„ุณุช
122
00:08:59,930 --> 00:09:04,180
employeesุŒ ู…ูˆุธููŠู† attributes ู‡ูˆู†ู‡ู… ู…ุนู„ูˆู…ุงุชู‡ู…
123
00:09:04,180 --> 00:09:08,540
ุงู„ุนู„ุงู‚ุฉ ุจูŠู†ู‡ู… reports to ูŠุนู†ูŠ ู…ู‚ุฏู… ุชู‚ุฑูŠุฑ ู„ูŠู‡ ู„ู…ูŠู†
124
00:09:08,540 --> 00:09:12,760
ุงู„ subordinate ูŠุนู†ูŠ ุงู„ู…ูˆุธู ุงู„ู„ูŠ ุชุญุช ููŠ ุฃุณูู„ ุงู„ู‡ุฑู…
125
00:09:12,760 --> 00:09:17,040
ุงู„ูˆุธูŠููŠ ู…ู‚ุฏู… ู„ู…ูŠู† ุงู„ supervisor ุชุจุนู‡ employee
126
00:09:17,040 --> 00:09:21,600
ุจูŠู‚ุฏู… ุชู‚ุฑูŠุฑ ู„ employee ุดุงูŠููŠู† ูƒูŠู ุนู„ุงู‚ุฉ ุงู„
127
00:09:21,600 --> 00:09:24,480
recursive ุงู„ two relations ุฌุงูŠ ุนู„ู‰ ู†ูุณ ุงู„
128
00:09:24,480 --> 00:09:30,060
intercept ุนู„ู‰ ุนูƒุณ ุงู„ relation ู‡ุฐู‡ works in ุจูŠู† two
129
00:09:30,060 --> 00:09:31,460
intercepts ู…ุฎุชู„ูุฉ
130
00:09:35,870 --> 00:09:40,890
ูˆุงุถุญุฉุŸ ุงู„ attribute had ุงู„ู„ูŠ ุจูŠูˆุตู ุงู„ relationship
131
00:09:40,890 --> 00:09:46,010
ุจู†ุณู…ูŠู‡ descriptive attribute relationship
132
00:09:46,010 --> 00:09:49,870
descriptive attribute ู„ุฃู†ู‡ ุจูŠูˆุตู relationship
133
00:09:49,870 --> 00:09:54,070
ุจูŠู†ู…ุง ุงู„ attributes ุงู„ุซุงู†ูŠุฉ ุจูŠูˆุตููˆุง ู…ูŠู† entity
134
00:09:54,070 --> 00:09:54,550
sets
135
00:09:59,580 --> 00:10:02,440
ุจุฑุถู‡ ู…ู† ุฎุตุงุฆุต ุงู„ ER diagram ุงู„ู„ูŠ ุนู…ู†ุง ุจู†ูŠุฌูŠ ุจู†ุฑุณู…ู‡
136
00:10:02,440 --> 00:10:10,480
ุดูŠุก ุจู†ุณู…ูŠู‡ ุงู„ K constraints ููƒุฑุชู‡ ุฃู† ููŠ ุจุนุถ
137
00:10:10,480 --> 00:10:16,360
ุงู„ุนู„ุงู‚ุงุช ุจูŠูƒูˆู† ุงู„ุนู„ุงู‚ุฉ ุจูŠู† ุงู„ entity set ุงู„ู„ูŠ
138
00:10:16,360 --> 00:10:18,940
ู…ูˆุฌูˆุฏุฉ ุนู†ุฏู†ุง ููŠ ุงู„ุนู„ุงู‚ุฉ ู…ุน ุงู„ entity set ุงู„ุซุงู†ูŠุฉ
139
00:10:18,940 --> 00:10:23,360
ุฃู†ู‡ ู…ุณู…ูˆุญ ู„ู‡ุง ุชุฑุชุจุท ู…ุน ุนู†ุตุฑ ูˆุงุญุฏ ู…ุน entity ูˆุงุญุฏ ูู‚ุท
140
00:10:23,360 --> 00:10:30,880
ู„ุบูŠุฑ at most one manager ู„ูƒู„ department ุฃู†ุง ุนู†ุฏูŠ
141
00:10:30,880 --> 00:10:34,800
departments ูˆุนู†ุฏูŠ ู…ูˆุธููŠู† ุชู„ุงุญุธ ุงู„ุนู„ุงู‚ุฉ ู‡ุฐุง ู…ุด
142
00:10:34,800 --> 00:10:39,540
works in ุฃู†ุง manage ุงู„ุนู„ุงู‚ุฉ manage ุจุฏูŠุฑ ู‡ูˆ ุงู„ู‚ุณู…
143
00:10:39,540 --> 00:10:44,660
ุจุฏูŠุฑู‡ ุชู„ุช ู…ุฏุฑุงุก ุงู„ู‚ุณู… ุจูŠุดุชุบู„ ููŠู‡ ุนุดุฑ ู…ูˆุธููŠู† ู„ูƒู†
144
00:10:44,660 --> 00:10:49,320
ุจุฏูŠุฑู‡ ูˆุงุญุฏ at most one ู…ุณุชุญูŠู„ ูŠูƒูˆู† ุงุซู†ูŠู† ุฃูˆ ุซู„ุงุซุฉ
145
00:10:49,320 --> 00:10:53,890
ู…ุฏุฑุงุก ููŠ ู†ูุณ ุงู„ู‚ุณู… ุฅุฐุง ุตูุช ุงู„ุนู„ุงู‚ุฉ ุงู„ู„ูŠ ุนู†ุฏูŠ ุงู„
146
00:10:53,890 --> 00:10:58,190
employees manage departments ูู‚ุท at most ู…ุณู…ูˆุญ ู„ู„
147
00:10:58,190 --> 00:11:01,470
department ูƒู„ ูˆุงุญุฏ ูŠูƒูˆู† manager ูˆุงุญุฏ ูุฑุณู…ู†ุง
148
00:11:01,470 --> 00:11:08,290
ุงู„ุนู„ุงู‚ุฉ ุจุฏู„ ุงู„ุฎุท ุญุทูŠู†ุง ุณู‡ู… ุฃุฑูˆุง ุงู„ key constraints
149
00:11:09,160 --> 00:11:13,980
Shown in ER diagram model ุนู„ู‰ ุดูƒู„ ุฅูŠุดุŸ Arrow ุณู‡ู…
150
00:11:13,980 --> 00:11:18,080
ู„ู…ุง ุจุดูˆู ุงู„ุณู‡ู… ู‡ุฐุง ุจูู‡ู… ู…ุจุงุดุฑุฉ ุฃู†ู‡ ู…ุณู…ูˆุญ ุงู„ Intel
151
00:11:18,080 --> 00:11:22,520
6 ุงู„ู„ูŠ ู‡ูŠ ุงู„ department ุฃู† ุชุงุฎุฐ employee ูˆุงุญุฏ
152
00:11:22,520 --> 00:11:29,990
ูู‚ุท ุจู†ูˆุน ุงู„ุนู„ุงู‚ุฉ manager ูู‚ุท ู„ุง ุบูŠุฑ ู„ูˆ ุญูƒูŠู†ุง
153
00:11:29,990 --> 00:11:34,430
ุงู„ุนู„ุงู‚ุฉ ุจูŠู† ุงู„ุงุจู† ูˆุงู„ุฃุจ ู…ู…ูƒู† ูŠูƒูˆู†ูˆุง ุซู„ุงุซุฉ ุขุจุงุก ุฃูˆ
154
00:11:34,430 --> 00:11:39,490
ุฃุฑุจุนุฉ ุฃูˆ ุฎู…ุณ ุฃู…ู‡ุงุช ู„ุฃ ุงู„ุนู„ุงู‚ุฉ ู…ุง ู„ู‡ุง key
155
00:11:39,490 --> 00:11:43,390
constraints ุนู„ูŠู‡ุง ู…ุณู…ูˆุญ ู„ู†ุง ูู‚ุท ุฃู† ุงู„ุทูู„ ุงู„ child
156
00:11:43,390 --> 00:11:49,610
ูŠูƒูˆู† ู„ู‡ father ูˆุงุญุฏ ูˆ mother ูˆุงุญุฏุฉ ุจูŠู†ู…ุง ุนู„ุงู‚ุชู‡ ู…ุน
157
00:11:49,610 --> 00:11:55,550
ุฃุฎูˆุชู‡ ู…ู…ูƒู† ุชูƒูˆู† ุฃูƒุซุฑ ู…ู† ุฃุฎ ุนู„ุงู‚ุฉ ุงู„ุฃุจ ู…ุน ุงู„ุฃูˆู„ุงุฏ
158
00:11:55,550 --> 00:11:59,100
ู…ู…ูƒู† ูŠูƒูˆู† ุนู†ุฏู‡ ุฃูƒุซุฑ ู…ู† ุงุจู† ุงู„ุฃู… ู…ุน ุงู„ุฃุจู†ุงุก ู…ู…ูƒู†
159
00:11:59,100 --> 00:12:03,220
ูŠูƒูˆู† ุนู†ุฏู‡ุง ุฃูƒุซุฑ ู…ู† ุงุจู† ู„ูƒู† ุงู„ุงุจู† ู…ุน ุงู„ุฃุจ ุฃูˆ ู…ุน
160
00:12:03,220 --> 00:12:06,220
ุงู„ุฃู… ู„ูˆ ุฃู†ุง ุจุนู…ู„ database ุฃูˆ ูˆุฒุงุฑุฉ ุงู„ุฏุงุฎู„ูŠุฉ ู…ุซู„ุง
161
00:12:06,220 --> 00:12:09,720
ุจุฏูŠ ุฃุณุฌู„ ุฃุณู…ุงุก ุงู„ู†ุงุณ ูˆู‡ูˆูŠุงุชู‡ู… ูˆูƒุฐุง ูˆุงู„ุนู„ุงู‚ุงุช
162
00:12:09,720 --> 00:12:15,480
ุงู„ู‚ุฑุงุจุฉ ุจูŠู†ู‡ู… ู…ุณุชุญูŠู„ ูŠูƒูˆู† ุนู„ุงู‚ุฉ ุงู„ู‚ุฑุงุจุฉ ุจูŠู† ุงู„ุดุฎุต
163
00:12:15,480 --> 00:12:20,800
ูˆุงู„ุฃุจ ุฃู† ุชูƒูˆู† ุฅูŠุด ุจุณ ูˆุงุญุฏ ูู‡ูŠ ุจู†ุณู…ูŠู‡ุง key
164
00:12:20,800 --> 00:12:26,100
constraints ูˆู†ุนุจุฑ ุนู†ู‡ุง ุจุงู„ุณู‡ู„ ุงู„ูƒู„ุงู… ู‡ุฐุง ุจูŠูุชุญ ุนู„ูŠู†ุง
165
00:12:26,100 --> 00:12:30,830
ู…ูˆุถูˆุน ุงู„ู„ูŠ ู‡ูˆ ุฃู†ูˆุงุน ุงู„ุนู„ุงู‚ุงุช ุจูŠู† ุงู„ entity sets ู…ู†
166
00:12:30,830 --> 00:12:37,230
ุญูŠุซ ุนุฏุฏ ุงู„ุนู„ุงู‚ุงุช ู‡ุฐู‡ ุฅู…ุง ุจุชูƒูˆู† one to one ูƒู„
167
00:12:37,230 --> 00:12:43,830
ู…ูˆุธู ุจูŠุดุชุบู„ ููŠ ู‚ุณู… ู…ุง ููŠุด ู…ูˆุธู ุจูŠุดุชุบู„ ููŠ ู‚ุณู…ูŠู† one
168
00:12:43,830 --> 00:12:48,230
to one ุงู„ู…ูˆุธู
169
00:12:48,230 --> 00:12:54,410
ุจูŠุดุชุบู„ ููŠ ู‚ุณู… ู„ูƒู† ุจุงู„ุถุจุท ุงู„ุขู† ุงู„ู‚ุณู… ุจูŠุดุชุบู„ ููŠู‡
170
00:12:54,410 --> 00:13:00,680
ุฃูƒุซุฑ ู…ู† ู…ูˆุธู ูู‡ูŠุตูŠุฑ ุงู„ุนู„ุงู‚ุฉ one to many one too
171
00:13:00,680 --> 00:13:05,520
many ุงู„ู…ูˆุธู ุจูŠุดุชุบู„ ููŠ ู‚ุณู… ุจุณ ุงู„ู‚ุณู… ููŠู‡ ุฃูƒุซุฑ ู…ู†
172
00:13:05,520 --> 00:13:11,540
ูˆุงุญุฏ ุตุงุฑุช one to many ุทูŠุจ ุนู„ุงู‚ุฉ ุงู„ุทุงู„ุจ ู…ุน ุงู„
173
00:13:11,540 --> 00:13:16,360
course ููŠ ุงู„ุฌุงู…ุนุฉ many to many ู„ูŠุด ุงู„ุทุงู„ุจ ูƒู…
174
00:13:16,360 --> 00:13:20,180
ูƒูˆุฑุณ ุจูŠุณุฌู„ ู…ุณู…ูˆุญ ู„ู‡ ู…ู† course ูุฃูƒุซุฑ ูˆ ุงู„ course
175
00:13:20,180 --> 00:13:24,100
ูƒู… ุทุงู„ุจ ููŠู‡ ู…ู† ุทุงู„ุจ ูุฃูƒุซุฑ ุฅุฐุง ุงู„ุนู„ุงู‚ุฉ ุจูŠู† ุงู„ุทุงู„ุจ
176
00:13:24,100 --> 00:13:27,880
ูˆ ุงู„ course many to many ุฃูƒุซุฑ ู…ู† ุทุงู„ุจ ุจูŠุณุฌู„
177
00:13:27,880 --> 00:13:30,140
ูุฃูƒุซุฑ ู…ู† course ูˆ ุฃูƒุซุฑ ู…ู† course .. ูˆ ุงู„ course
178
00:13:30,140 --> 00:13:33,400
ุงู„ู„ูŠ ูˆุงุญุฏ ุจูŠุณุฌู„ ููŠู‡ ุฃูƒุซุฑ ู…ู† ุทุงู„ุจ ุงู„ุนู„ุงู‚ุฉ ุจูŠู†
179
00:13:33,400 --> 00:13:37,080
ุงู„ู…ูˆุธู ูˆ ุงู„ department ุชุจุนู‡ one to many ูˆ ู‡ูŠ
180
00:13:37,080 --> 00:13:42,330
ู†ูุณู‡ุง ุนู„ุงู‚ุฉ ุงู„ many to one ู„ูˆ ู†ุธุฑู†ุง ู„ู‡ุง ุจุงู„ุนูƒุณ ุญุณุจ
181
00:13:42,330 --> 00:13:46,830
ูˆูŠู† ู‡ู†ุญุทู‡ ูŠู…ูŠู† ุฃูˆ ู„ุง ุดู…ุงู„ ู‡ูŠ ู‡ุฐู‡ ู†ูุณ ุงู„ุนู„ุงู‚ุฉ ุงู„ one
182
00:13:46,830 --> 00:13:51,190
to many ูˆ ุงู„ many to one ู†ูุณ ุงู„ุนู„ุงู‚ุฉ ุงู„ู…ูˆุธู ู…ูˆุฌูˆุฏ
183
00:13:51,190 --> 00:13:53,950
ููŠ ู‚ุณู… ูˆุงุญุฏ ููŠ department ูˆุงุญุฏ ู„ูƒู† ุงู„ department
184
00:13:53,950 --> 00:13:58,450
ู…ู…ูƒู† ูŠูƒูˆู† ููŠู‡ ุฃูƒุซุฑ ู…ู† ุงู„ู…ูˆุธู ุทูŠุจ ู…ุซุงู„ ุฃูุถู„ ุนู† ุงู„
185
00:13:58,450 --> 00:14:05,490
one to one ู„ูˆ ูƒุงู† ุนู†ุฏูŠ ุฌุฏูˆู„ ุจุณ ููŠ ุฃุณู…ุงุก ุฑุคุณุงุก
186
00:14:05,490 --> 00:14:10,150
ุงู„ุฃู‚ุณุงู… head of departments head of departments ูู‚ุท
187
00:14:10,150 --> 00:14:14,090
ุฑุคุณุงุก ุงู„ุฃู‚ุณุงู… ูˆุนู†ุฏูŠ ุฌุฏูˆู„ ุซุงู†ูŠ in TTCS ุซุงู†ูŠุฉ ููŠู‡ุง
188
00:14:14,090 --> 00:14:19,230
ูู‚ุท ุงู„ departments ุงู„ุนู„ุงู‚ุฉ ุจูŠู†ู‡ู… one to one ุฃู†ู‡ ูƒู„
189
00:14:19,230 --> 00:14:24,430
department ู„ู‡ ู…ุฏูŠุฑ ูˆุงุญุฏ ูˆุงู„ู…ุฏูŠุฑ ู…ุฏูŠุฑ ุนู„ู‰ ูƒู… ู‚ุณู…
190
00:14:24,430 --> 00:14:28,470
ุนู„ู‰ ู‚ุณู… ูˆุงุญุฏ ูุงู„ุนู„ุงู‚ุฉ ู‡ุชูƒูˆู† one to one
191
00:14:35,790 --> 00:14:38,690
ุงู„ property ุงู„ุซุงู†ูŠุฉ ุงู„ู„ูŠ ุจุชุฎุต ุงู„ ER model ู„ู…ุง ุงุญู†ุง
192
00:14:38,690 --> 00:14:42,990
ู†ุฑุณู…ู‡ ุฅุดูŠ ุจู†ุณู…ูŠู‡ participation constraint
193
00:14:42,990 --> 00:14:47,670
participation ู…ุนู†ุงู‡ุง ู…ุดุงุฑูƒุฉ ุจุชุทู„ุน ุฃู†ุง ุนู„ู‰ ู†ุณุจุฉ
194
00:14:47,670 --> 00:14:52,370
ุงู„ู…ุดุงุฑูƒุฉ ุจูŠู† ุงู„ two entity sets ููŠ ุงู„ relation
195
00:14:52,370 --> 00:14:56,930
ู†ุณุจุฉ ุงู„ู…ุดุงุฑูƒุฉ ุฅุฐุง ูƒู„ ุงู„ entities ุงู„ู„ูŠ ููŠ ุงู„ entity
196
00:14:56,930 --> 00:15:01,130
set ู‡ุงูŠ ุจุชุดุงุฑูƒ ุจู†ุณู…ูŠู‡ุง total participation total
197
00:15:01,130 --> 00:15:06,050
ูŠุนู†ูŠ ูƒุงู…ู„ู‡ุง ุฅุฐุง ุฌุฒุฆูŠุฉ ุจู†ุณู…ูŠู‡ุง partial participation
198
00:15:06,050 --> 00:15:12,010
partial ู…ุนู†ุงู‡ุง ุฅูŠุด ุฌุฒุก ู…ู† ูƒู„ู…ุฉ part ุงู„ employees
199
00:15:12,010 --> 00:15:18,070
ูƒู„ู‡ู… ุจูŠุดุชุบู„ูˆุง ู…ุฏุฑุงุก ู„ู„ departments ุฅุฐุง ุงู„ุนู„ุงู‚ุฉ
200
00:15:18,070 --> 00:15:24,410
total ูˆู„ุง partial partial ุจู†ุนุจุฑ ุนู†ู‡ุง ุจุฎุท ุฑููŠุน thin
201
00:15:24,410 --> 00:15:28,890
line ุฎุท ุฑููŠุน thin line ุจุฏู„ ุนู„ู‰ ุฃู† ุงู„ุนู„ุงู‚ุฉ partial
202
00:15:28,890 --> 00:15:34,440
ุฌุฒุฆูŠุฉ ุจุณ ุนุฏุฏ ู…ุนูŠู† ู…ู† ุงู„ู…ูˆุธููŠู† ู‡ู… ุงู„ู„ูŠ ุจูŠูƒูˆู†ูˆุง ู…ุฏุฑุงุก
203
00:15:34,440 --> 00:15:38,460
ู…ุด ูƒู„ู‡ู… ุงู„ุนูƒุณ
204
00:15:38,460 --> 00:15:44,880
ูƒู„ department ู„ู‡ ู…ุฏูŠุฑ ููŠ department ุจุฏูˆู† ู…ุฏูŠุฑ ููŠ
205
00:15:44,880 --> 00:15:49,240
ู‚ุณู… ู…ุง ู„ู‡ูˆุด ู…ุฏูŠุฑ ู…ุธุจูˆุทุด ูƒู„ department ููŠ ู„ู‡ ู…ุฏูŠุฑ ุฅุฐุง
206
00:15:49,240 --> 00:15:54,660
ุงู„ุนู„ุงู‚ุฉ total ูƒุงู…ู„ุฉ ุนุดุงู†ูƒ ุฑุณู…ู†ุง ุงู„ line ุฅูŠุด ู…ุงู„ู‡
207
00:15:54,660 --> 00:16:01,570
thick ุณู…ูŠูƒ ุญุทูŠู†ุง ุงู„ุณู‡ู… ู„ุฃู†ู‡ ูƒู„ department ู„ู‡ ุฅูŠุด
208
00:16:01,570 --> 00:16:06,610
ูƒู… manager ู„ู‡ ู„ู‡ ูƒู… manager at most ูˆุงุญุฏ
209
00:16:06,610 --> 00:16:11,910
ูุญุทูŠู†ุง ุณู‡ู… ุณู…ูŠูƒ ุฅุฐุง ุจูู‡ู… ู…ู† ุงู„ุฑุณู… ู‡ุฐู‡ ู…ุฌุฑุฏ ู…ุง ุฃู†ุง
210
00:16:11,910 --> 00:16:15,410
ุฃุดูˆูู‡ุง ูƒูˆุงุญุฏ ุจุนุฑู ููŠ ุงู„ database design ุฃูˆ ููŠ ุงู„
211
00:16:15,410 --> 00:16:19,170
programming design ุญุงุฌุฉ ุฃุทู„ุน ู‡ุฃุญูƒูŠ ุงู„ employees ู…ุด
212
00:16:19,170 --> 00:16:22,650
ูƒู„ู‡ู… managers ุงู„ departments ู„ุงุฒู… ูŠูƒูˆู† ู„ู‡ุง ูƒู„
213
00:16:22,650 --> 00:16:26,680
department ู„ุงุฒู… ูŠูƒูˆู† ู„ู‡ manager ูˆุงุญุฏ ูู‚ุท ู‡ุฐุง ุงู„ูƒู„ุงู…
214
00:16:26,680 --> 00:16:32,720
ูƒู„ู‡ ูู‡ู…ู†ุงู‡ ุจุณ ู…ู† ุงู„ุฎุทูŠู† ู‡ุฏูˆู„ ุทุจ ู†ูŠุฌูŠ ู†ุทู„ุน ุนู„ู‰
215
00:16:32,720 --> 00:16:38,600
ุนู„ุงู‚ุฉ works in ุงู„ employees ุจูŠุดุชุบู„ูˆุง ููŠ ุงู„ุฃู‚ุณุงู… ู‡ู„
216
00:16:38,600 --> 00:16:42,520
ูƒู„ employees ุจูŠุดุชุบู„ูˆุงุŸ ุตุญูŠุญ ูˆ ุงุญู†ุง ุจู†ุชุฌูŠ ู…ูˆุธูุฉ
217
00:16:42,520 --> 00:16:47,200
ูŠู‚ุนุฏ ู…ุง ุชุดุชุบู„ุด ูƒู„ู‡ู… ุจูŠุดุชุบู„ูˆุง ูƒู„ ูˆุงุญุฏ ู„ู‡ ู‚ุณู… ุจูŠุดุชุบู„
218
00:16:47,200 --> 00:16:51,860
ููŠู‡ ูˆ ุงู„ุฃู‚ุณุงู… ูƒู„ู‡ุง ููŠู‡ุง ู…ูˆุธููŠู† ู…ุง ููŠุด ู‚ุณู… ูุงุฑุบ ุฅูŠุด
219
00:16:51,860 --> 00:16:55,240
ู…ุนู†ุงู‡ ุฃู† ูŠูƒูˆู† ุนู†ุฏูŠ ููŠ ุงู„ู…ุคุณุณุฉ ู‚ุณู… ู…ุง ููŠุด ููŠู‡ ู…ูˆุธููŠู†
220
00:16:56,580 --> 00:17:00,640
ุฅูŠุด ุจุฏู‡ ูŠู†ุชุฌุŸ ุฅูŠุด ุจุฏู‡ ูŠุนู…ู„ุŸ ู…ู†ุทู‚ูŠุง ู…ุด ู…ู†ุทู‚ ุงู„ู…ูˆุถูˆุน
221
00:17:00,640 --> 00:17:05,060
ุฅุฐุง ูƒู„ ุงู„ู…ูˆุธููŠู† ุจูŠุดุชุบู„ูˆุง ููŠ ุงู„ุฃู‚ุณุงู… ูˆ ุงู„ุฃู‚ุณุงู… ูƒู„ู‡ุง
222
00:17:05,060 --> 00:17:08,640
ุฌูˆุงู‡ุง ู…ูˆุธููŠู† ุฅุฐุง ุนู„ุงู‚ุฉ total ู…ุน total
223
00:17:08,640 --> 00:17:14,820
participation total participation ู…ุดุงุฑูƒุฉ ูƒุงู…ู„ุฉ ูƒู„
224
00:17:14,820 --> 00:17:18,220
ุงู„ entities ููŠ ุงู„ entities ุชู‡ูŠุฃุช ุจุชุดุงุฑูƒ ููŠ ู‡ุฐุง
225
00:17:18,220 --> 00:17:23,040
ุงู„ู†ูˆุน ู…ู† ุงู„ relations ููŠ ุฅูŠุด ุตุนุจ ู„ุญุฏ ุงู„ุขู†ุŸ ู…ู‚ุงู„ ุงู„
226
00:17:23,040 --> 00:17:24,840
entities ู…ุน ุงู„ relations ูŠุนู†ูŠ ูŠุฑูƒุฒ ุนู„ู‰ total
227
00:17:24,840 --> 00:17:31,780
participationุŸ ู†ุนู…ู„ intercept ู‡ุฐู‡ ุจุชุนู…ู„ total
228
00:17:31,780 --> 00:17:35,020
participation ููŠ ู‡ุฐู‡ ุงู„ relation ูˆ ู‡ุฐู‡ ุงู„ intercept
229
00:17:35,020 --> 00:17:38,220
ุจุชุนู…ู„ total participation ููŠ ู‡ุฐู‡ ุงู„ relation ุจูŠู†ู…ุง
230
00:17:38,220 --> 00:17:42,300
ุงู„ employees intercept ููŠ ุงู„ managers relationship
231
00:17:42,300 --> 00:17:47,840
ุจุชุนู…ู„ partial participation ู‡ุฐู‡ total versus
232
00:17:47,840 --> 00:17:52,660
partial ุนูƒุณ ุงู„ partial ู„ุงุฒู… ุนุดุงู† ุชูƒูˆู† total ู„ุงุฒู…
233
00:17:52,660 --> 00:17:56,960
ุฅูŠุด ู„ุงุฒู… ูƒู„ ุงู„ departments ูŠูƒูˆู† ููŠู‡ุง managers
234
00:18:00,010 --> 00:18:07,830
ุชู…ุงู… ูˆ ุจู†ู…ุซู„ู‡ุง ุจ thick line ุฎุท thick ุณู…ูŠูƒ thin
235
00:18:07,830 --> 00:18:11,950
ุฑููŠุน ุชู…ุงู… ุงู„ thick ู„ู…ู† ู„ู„ total total
236
00:18:11,950 --> 00:18:15,530
participation thick line ุนูƒุณู‡ุง ุงู„ partial
237
00:18:15,530 --> 00:18:19,310
participation thin line ูŠุนู†ูŠ ู„ูˆ ุฃุฌูŠ ููŠ ุงู„ quiz
238
00:18:19,310 --> 00:18:23,510
ุงู„ุณุคุงู„ ู‡ูŠ ุณุฑูŠุน true or false ุฃู† we represent ุงู„
239
00:18:23,510 --> 00:18:27,410
total participation in the ER model by a thin line
240
00:18:27,410 --> 00:18:28,210
false
241
00:18:30,630 --> 00:18:34,050
ุณุคุงู„ ุฒูŠ ู‡ุฐุง ู…ู…ูƒู† ุจูƒู„ ุณู‡ูˆู„ุฉ ูŠูƒูˆู† ุฌุฒุก ู…ู† quiz ุฃูˆ ุฌุฒุก
242
00:18:34,050 --> 00:18:44,290
ู…ู† exam ุตุนุจุŸ ู…ุด ุตุนุจ ุงู„
243
00:18:44,290 --> 00:18:47,430
weak entities ู„ุญุฏ ุงู„ุขู† ูƒู„ ุงู„ entities ุงู„ู„ูŠ ุงุชุนุฑุถู†ุง
244
00:18:47,430 --> 00:18:52,750
ุงู„ูŠู‡ู… strong entities ูŠุนู†ูŠ objects ุงู„ู„ูŠ ู„ู‡ุง ูˆุฌูˆุฏ
245
00:18:52,750 --> 00:18:57,790
ูˆุงุถุญ ููŠ ุชุญู„ูŠู„ู†ุง ู„ู„ู†ุธุงู… ู„ู„ database ุงู„ู„ูŠ ุจุฏู†ุง
246
00:18:57,790 --> 00:19:04,220
ู†ุนู…ู„ู‡ุง ุชุตู…ูŠู… ุงู„ weak entities ู‡ูŠ entities ุงุญู†ุง
247
00:19:04,220 --> 00:19:10,400
ุจู†ุนู…ู„ู‡ุง ุจูŠูƒูˆู† ูˆุฌูˆุฏู‡ุง ู…ุชุนู„ู‚ ุจ strong entity ู…ุฑุจูˆุทุฉ
248
00:19:10,400 --> 00:19:12,920
ุจุดูƒู„ ู‚ูˆูŠ ุจ strong entity ุจุฏูˆู† ุงู„ strong entity ู‡ูŠ
249
00:19:12,920 --> 00:19:17,260
ู…ุง ู„ู‡ุงุด ูˆุฌูˆุฏ ู…ุซุงู„ ุนู„ู‰ ุฐู„ูƒ ููŠ ุญุงู„ุฉ ุงู„ู…ูˆุธููŠู† ุงู„
250
00:19:17,260 --> 00:19:22,270
employees ุงู„ staff staff ูŠุนู†ูŠ ุงู„ู…ูˆุธููŠู† ุฃู† ูƒู„ู‡ู…
251
00:19:22,270 --> 00:19:26,210
ุฃุจู†ุงุก ุฃู†ุง ุนู†ุฏูŠ ููŠ ุงู„ู…ุคุณุณุฉ ุจุณุฌู„ ุฃู† ุงู„ู…ูˆุธู ุฅูŠุด ููŠ
252
00:19:26,210 --> 00:19:29,630
ุนู†ุฏู‡ ุฃุจู†ุงุก ููŠ ู…ุคุณุณุงุช ุจุชุนุทูŠ ุนู„ุงูˆุฉ ุนู„ู‰ ุนุฏุฏ ุงู„ุฃุจู†ุงุก
253
00:19:29,630 --> 00:19:32,910
ู…ุซู„ุง ุงู„ูˆูƒุงู„ุฉ ุงู„ุญูƒูˆู…ูŠุฉ ุจุชุนุทูŠ ุนุดุฑุฉ ุฏูˆู„ุงุฑ ุฎู…ุณุฉ ุฏูˆู„ุงุฑ
254
00:19:32,910 --> 00:19:35,930
ุนู„ู‰ ูƒู„ ุงุจู† ู…ู† ุงู„ุฃุจู†ุงุก ู…ุซู„ุง ุงู„ู„ูŠ ุนู†ุฏู‡ ุฃุฑุจุนุฉ ุฃุจู†ุงุก
255
00:19:35,930 --> 00:19:42,150
ุนู†ุฏู‡ ุฎู…ุณุฉ ุนู†ุฏู‡ ุณุชุฉ ูุจุฏู†ุง ู†ุณุฌู„ ุฃุจู†ุงุกู‡ู… ูุนู„ูŠุง ุฃู†ุง ููŠ
256
00:19:42,150 --> 00:19:44,910
ุงู„ู…ุคุณุณุฉ ู…ุง ุชู‡ู…ูŠู†ูŠ ู…ุนู„ูˆู…ุฉ ุงู„ุฃุจู†ุงุก ุบูŠุฑ ููŠ ู‡ุฐุง
257
00:19:44,910 --> 00:19:48,800
ุงู„ู…ูˆุถูˆุน ูŠุนู†ูŠ ุงู„ุงุจู† ู„ุง ุฑุงุญ ูŠุดุชุบู„ ูˆู„ุง ุฑุงุญ ูŠุณู„ู…
258
00:19:48,800 --> 00:19:53,040
project ูˆู„ุง ู‡ูŠูƒูˆู† ููŠ ุนู„ูŠู‡ ู…ุณุฆูˆู„ูŠุงุช ูˆู„ุง ู‡ูŠู‚ุฏู…
259
00:19:53,040 --> 00:19:56,600
ุชู‚ุงุฑูŠุฑ ู…ุง ู„ู‡ูˆุด ุนู„ุงู‚ุฉ ููŠ ุงู„ database ุฅู„ุง ุจุณ ุงุฑุชุจุงุท
260
00:19:56,600 --> 00:20:03,020
ุงู„ children ุงู„ุฃุจู†ุงุก ู…ุน ุงู„ู…ูˆุธููŠู† ูุญุงุฌุฉ ุฃุนู…ู„ ุงู„ู„ูŠ ู‡ูˆ
261
00:20:03,020 --> 00:20:08,140
ุงู„ entity ุจุชุงุนุฉ ุงู„ children ู‡ุฐู‡ ูˆ ุฃุฑุจุทู‡ุง ู…ุน ุงู„
262
00:20:08,140 --> 00:20:10,980
strong entity ุงู„ู„ูŠ ู‡ูŠ ุจุชุงุนุฉ ุงู„ staff ุฃูˆ ุจุชุงุนุฉ ุงู„
263
00:20:10,980 --> 00:20:15,080
employees ูˆ ุฃุฌูŠุจ ุงู„ primary key ุชุจุน ุงู„ strong
264
00:20:15,080 --> 00:20:20,980
entity ุฃูŠู† ุฃุญุทู‡ุŸ ููŠ ุงู„ weak entity ุนุดุงู† ุฃู†ุง ูƒู„ ุทูู„
265
00:20:20,980 --> 00:20:26,360
ุฃุนุฑู ู…ูŠู† ุฃุจูˆู‡ ุฃูˆ ุฃู…ู‡ ุงู„ู…ูˆุธูุฉ ุนู†ุฏู†ุง ููŠ ุงู„ staff
266
00:20:26,360 --> 00:20:33,860
ูุจุฏูŠ ุฃุฑุจุท ุจูŠู†ู‡ู… ุงู„ weak entity ุจู†ุฑุณู…ู‡ุง ุจ double
267
00:20:33,860 --> 00:20:38,660
ุฅูŠุด rectangle ู‡ุชู„ุงู‚ูŠ ุงู„ children ุนุจุงุฑุฉ ุนู† ู…ุณุชุทูŠู„ูŠู†
268
00:20:38,660 --> 00:20:44,280
ููˆู‚ ุจุนุถ ุนุดุงู† ุฃุนุจุฑ ุนู†ู‡ุง ุฃู†ู‡ุง weak entity ุงู„ู†ู‚ุทุฉ
269
00:20:44,280 --> 00:20:47,840
ุงู„ุซุงู†ูŠุฉ ุฃู† ุงู„ strong entity ุจู†ุณู…ูŠู‡ุง ุงู„ owner
270
00:20:47,840 --> 00:20:53,380
entity ุงู„ owner ูŠุนู†ูŠ ุงู„ู…ุงู„ูƒ ุงู„ staff ู‡ูˆ ุงู„ู…ุงู„ูƒ
271
00:20:53,380 --> 00:20:57,500
ู„ู…ูŠู†ุŸ ู„ ุงู„ children ุงู„ู…ูˆุธููŠู† ู‡ู… ุงู„ู„ูŠ ุจูŠู…ู„ูƒูˆุง
272
00:20:57,500 --> 00:21:06,620
ุงู„ุฃุจู†ุงุก ุชู…ุงู… ูุจู†ุณู…ูŠู‡ุง ุงู„ owner entity ุงู„ู„ูŠ
273
00:21:06,620 --> 00:21:09,800
ู‡ู†ุนู…ู„ู‡ ููŠ ุงู„ุชุตู…ูŠู… ู„ู…ุง ู†ูŠุฌูŠ ุนู„ู‰ ุงู„ chapter ุงู„ู„ูŠ
274
00:21:09,800 --> 00:21:14,720
ุจุนุฏู‡ ูˆ ู†ุญูˆู„ ุงู„ ER diagram ู„ tables ู‡ู†ุงุฎุฏ ุงู„ primary
275
00:21:14,720 --> 00:21:21,680
key ุชุจุน ุงู„ owner ูˆู†ุญุทู‡ ูƒ foreign key ููŠ ุงู„
276
00:21:21,680 --> 00:21:25,960
children ู‡ู†ุงุฎุฏู‡ ูˆ ู†ุญุทู‡ ูƒ foreign key ุนู†ุฏ ุงู„
277
00:21:25,960 --> 00:21:34,820
children ู…ุด ุงู„ุนูƒุณ ุทุจุนุง
278
00:21:34,820 --> 00:21:39,170
ูƒู„ ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ุฃู†ุง ุญูƒูŠุชู‡ ู…ูˆุฌูˆุฏ ููŠ ุงู„ slides ุณุคุงู„ูŠ
279
00:21:39,170 --> 00:21:42,490
ุจุณ ุงู„ weak entity ู‡ูŠ ุงู„ู„ูŠ ุงุญู†ุง ู†ุณู…ูŠู‡ุง ู…ุฑุจูˆุทุฉ ุจุงู„
280
00:21:42,490 --> 00:21:49,210
strong ู†ุนู… ู…ุฑุจูˆุทุฉ ุจุงู„ strong ุจู†ุญุท ููŠู‡ุง ุงู„ primary
281
00:21:49,210 --> 00:21:52,670
key ุชุจุน ุงู„ strong ุนู„ู‰ ุดูƒู„ foreign key ุนู†ุฏ ุงู„ weak
282
00:21:52,670 --> 00:22:00,870
entity ููŠ ุงู„ weak entity ุงู„ primary key ุนุจุงุฑุฉ ุนู†
283
00:22:00,870 --> 00:22:06,350
primary key ุฃูˆ ุฑู‚ู… ู…ูˆุฌูˆุฏ ู…ู† ุงู„ weak entity ู…ุน ุงู„
284
00:22:06,350 --> 00:22:10,790
strong entity primary key ูŠุนู†ูŠ ู‡ูŠ ุงู„ู…ุซุงู„ ู‡ูŠ ุนู†ุฏ ุงู„
285
00:22:10,790 --> 00:22:15,930
staff ุฃูˆ ุงู„ employees ููŠ ุฑู‚ู… ุงู„ู…ูˆุธู ูˆุงุณู…ู‡ ู…ูŠู† ุงู„
286
00:22:15,930 --> 00:22:21,930
primary key ุงู„ staff number ู‡ูŠ ุชุญุชู‡ ุฎุท ู…ูˆุฌูˆุฏ ุชุญุชู‡
287
00:22:21,930 --> 00:22:27,380
ุฎุท ู…ุนู„ู… ุชุญุชู‡ ุฎุท ุงู„ staff number ุงู„ children ุฑูˆุญ
288
00:22:27,380 --> 00:22:31,140
ู†ุถูู†ุง ุงู„ staff number ุฌุจู†ุงู‡ ูˆ ุญุทูŠู†ุงู‡ ูƒ foreign
289
00:22:31,140 --> 00:22:35,540
key ูˆ ุฎู„ูŠู†ุงู‡ ุฌุฒุก ู…ู† ุงู„ primary key ุงู„ primary key
290
00:22:35,540 --> 00:22:39,580
ุนุจุงุฑุฉ ุนู† ุงู„ุฑู‚ู…ูŠู† ู‡ุฏูˆู„ ู…ุน ุจุนุถ ุงู„ staff number ู…ุน ุงู„
291
00:22:39,580 --> 00:22:44,560
children number ุงู„
292
00:22:44,560 --> 00:22:48,760
owner key ู…ูŠู† ุงู„ owner ุงู„ staff ูˆู„ุง ุงู„ children ุงู„
293
00:22:48,760 --> 00:22:53,830
staff ุงู„ owner key ุญุทูŠู†ุงู‡ุง ููŠ ุงู„ weak entity ุฌุจู†ุงู‡ุง
294
00:22:53,830 --> 00:22:57,770
ูˆ ุญุทูŠู†ุงู‡ุง ุนู†ุฏ ุงู„ weak entity ุนุดุงู† ูŠูƒูˆู† ุฌุฒุก ู…ู† ุงู„
295
00:22:57,770 --> 00:23:03,150
primary key ุงูŠุด ูŠุนู†ูŠ ุฌุฒุก partial partial key ุตุงุฑ
296
00:23:03,150 --> 00:23:07,550
ุฌุฒุก ู…ู† ุงู„ primary key ุชุจุน ุงู„ children ุจุณ ู…ุด ู‡ูˆ ูƒู„
297
00:23:07,550 --> 00:23:15,090
primary key ู‡ูˆ ุฌุฒุก ุจุณ ุงู„ owner entity ูƒู…ุงู† ูˆ ุงู„
298
00:23:15,090 --> 00:23:21,130
weak entity ู„ุงุฒู… ุงู„ุงุชู†ูŠู† ูŠุดุงุฑูƒูˆุง ุจุดูƒู„ one to many
299
00:23:26,140 --> 00:23:30,420
ุตุนุจุŸ ุชุนุงู„ ู†ุดูˆู ุงู„ employee ุงู„ูˆุงุญุฏ ู…ู…ูƒู† ูŠูƒูˆู† ู„ู‡
300
00:23:30,420 --> 00:23:34,160
ุฃูƒุซุฑ ู…ู† children ูˆู„ุง ู„ุฃ ุทุจ ุงู„ children ู…ู…ูƒู† ูŠูƒูˆู†
301
00:23:34,160 --> 00:23:40,700
ุชุงุจุน ู„ุฃูƒุซุฑ ู…ู† employee ู„ุฃ ู…ุง ู„ูˆุด ุฅู„ุง ุฃุจ ูˆุงุญุฏ ุฃูˆ ุฃู…
302
00:23:40,700 --> 00:23:47,680
ูˆุงุญุฏุฉ ุชู…ุงู… ูู‡ุชูƒูˆู† ุงู„ุนู„ุงู‚ุฉ ุฏุงุฆู…ุง ุจูŠู† ุงู„ weak ูˆ ุงู„
303
00:23:47,680 --> 00:23:53,060
strong ุฏุงุฆู…ุง ุชูƒูˆู† one to many ู…ูŠู† ุจูŠุดูƒู„ ุฌุงู†ุจ ุงู„
304
00:23:53,060 --> 00:23:58,930
one ุฏุงูŠู…ุง ุงู„ owner ุฏุงูŠู…ุง ุงู„ owner ู‡ูˆ ุงู„ one one
305
00:23:58,930 --> 00:24:04,150
owner ูˆ many weak entities ุงู„ weak entity ู…ุณุชุญูŠู„
306
00:24:04,150 --> 00:24:07,830
ูŠูƒูˆู† one ุฏุงุฆู…ุง ุจูŠูƒูˆู† ุงูŠุด many ูˆ ุงู„ one ุงู„ู„ูŠ ู‡ูˆ
307
00:24:07,830 --> 00:24:15,030
ู…ูŠู† ุงู„ owner ุชู…ุงู…ุŸ
308
00:24:15,030 --> 00:24:21,670
ุขุฎุฑ ุดูŠุก ุงู„ weak entity ุฏุงุฆู…ุง ุจูŠูƒูˆู† ุงู„ participation
309
00:24:21,670 --> 00:24:28,210
ุชุจุนู‡ุง ู…ุงู„ู‡ุง total ูƒุงู…ู„ ูŠุนู†ูŠ ู‡ู„ ู…ู…ูƒู† ุฃู†ุง ุฃุญุท ููŠ
310
00:24:28,210 --> 00:24:33,110
ุงู„ุฌุฏูˆู„ ุนู†ุฏูŠ ุฃุจู†ุงุก ู…ุง ู„ู‡ู…ุด ุฃุจ ู…ูˆุธู ููŠ ุงู„ู…ุคุณุณุฉ
311
00:24:33,110 --> 00:24:38,990
ู…ุณุชุญูŠู„ ู…ุนู†ุงุชู‡ ู…ุง ุฏุงู… ูƒู„ ุงู„ children ูƒู„ู‡ู… ุงู„ู„ู‡ู… ุฃุจุง
312
00:24:38,990 --> 00:24:44,330
ุฃูˆ ุฃู…ู‡ุงุช ู…ูˆุธููŠู† ู…ุนู†ุงุชู‡ ูƒู„ู‡ู… totally participated
313
00:24:44,330 --> 00:24:45,110
ููŠ ุงู„ุนู„ุงู‚ุฉ
314
00:24:50,230 --> 00:24:54,170
ุงู„ูƒู„ุงู… ู…ุธุจูˆุท ู‡ู†ูŠุฌูŠ.. ู‡ู†ู„ุงู‚ูŠ ุฃู† ูƒู„ ุงู„ู…ุคุณุณุงุช ู‡ุฐู‡
315
00:24:54,170 --> 00:24:56,410
ุงู„ู„ูŠ ุงู„ุฃุจ ูˆ ุงู„ุฃู… ุจูŠูƒูˆู†ูˆุง ููŠ ู†ูุณ ุงู„ุดุฑูƒุฉ ุจุชุทู„ุจ
316
00:24:56,410 --> 00:25:00,250
ุงู„ุดุฑูƒุฉ ุฃูˆ ุงู„ู…ุคุณุณุฉ ุฃู† ุงู„ุฃูˆู„ุงุฏ ูŠู†ุถุงููˆุง ุนู„ู‰ ุฑุงุชุจ ูˆุงุญุฏ
317
00:25:00,250 --> 00:25:05,850
ู…ู†ู‡ู… ู…ุด ุงู„ุงุซู†ูŠู† ุญุชู‰ ุจุนุถ ุงู„ู…ุคุณุณุงุช ุจุชู…ู†ุน ุชุนุทูŠ ุงู„ู„ูŠ
318
00:25:05,850 --> 00:25:09,510
ู‡ูŠ ุนู„ุงูˆุฉ ุงู„ุฃุจู† ู„ูˆ ูƒุงู†ุช ุงู„ุฃู… ุจุชุดุชุบู„ ููŠ ู…ุคุณุณุฉ ุซุงู†ูŠุฉ
319
00:25:10,010 --> 00:25:12,690
ูŠุนู†ูŠ ู„ูˆ ูƒุงู†ุช ุงู„ุฃู… ุจุชุดุชุบู„ ููŠ ุงู„ูˆูƒุงู„ุฉ ูˆ ุงู„ุฃุจ ู†ูุฑุถ
320
00:25:12,690 --> 00:25:15,550
ุจูŠุดุชุบู„ ููŠ ุงู„ุญูƒูˆู…ุฉุŒ ู‡ุชู„ุงู‚ูŠ ุงู„ุญูƒูˆู…ุฉ ูˆ ุงู„ูˆูƒุงู„ุฉ
321
00:25:15,550 --> 00:25:19,870
ุจูŠุทู„ุจูˆุง ู…ู† ุงู„ุงุซู†ูŠู† ุฅู†ู‡ ู‡ุงุช ูˆุฑู‚ุฉ ุจุชุฏู„ ุนู„ู‰ ุฅู† ุฒูˆุฌุชูƒ
322
00:25:19,870 --> 00:25:25,700
ู…ุด ุถุงูŠูุฉ ุฃูˆู„ุงุฏู‡ุง ู…ุนู‡ุง ูˆ ุงู„ุนูƒุณูˆ ู†ูุณ ุงู„ุดูŠุก ููŠ ุงู„ุชุฃู…ูŠู†
323
00:25:25,700 --> 00:25:28,940
ุงู„ุตุญูŠ ุจูŠุฎุตู…ูˆุง.. ู„ุฃู† ุจูŠุฎุตู…ูˆุง ู…ู† ุงู„ุฑุงุชุจ ุชุจุน
324
00:25:28,940 --> 00:25:32,400
ุงู„ูˆูƒุงู„ุฉุŒ ุชุจุน ุงู„ุฌุงู…ุนุฉุŒ ุชุจุน ุงู„ุญูƒูˆู…ุฉุŒ ุจูŠุฎุตู…ูˆุง ุซู…ู†
325
00:25:32,400 --> 00:25:35,840
ุงู„ุชุฃู…ูŠู† ุงู„ุตุญูŠ ุญุชู‰ ุนู„ู‰ ุงู„ุฃุจู†ุงุกุŒ ุจู†ุฎุตู…ุด ุนู„ู‰ ุงู„ุฃุจ ูˆ
326
00:25:35,840 --> 00:25:38,780
ุนู„ู‰ ุงู„ุฃู…ุŒ ุจู†ุฎุตู… ู…ู† ูˆุงุญุฏ ู…ู†ู‡ู… ุนุดุงู† ู†ุฎุตู… ุนู„ู‰ ูˆุงุญุฏ
327
00:25:38,780 --> 00:25:42,820
ู…ู†ู‡ู… ูˆ ุงู„ุซุงู†ูŠ ูŠุชู… ุฅุนูุงุกู‡ุŒ ู„ุงุฒู… ุงู„ุซุงู†ูŠ ูŠุฌูŠุจ ุฅู‚ุฑุงุฑ
328
00:25:42,820 --> 00:25:46,440
ู…ู† ุงู„ู…ุคุณุณุฉ ุงู„ุซุงู†ูŠุฉ ุฅู†ู‡ ุจู†ุฎุตู… ุนู„ู‰ ุฌูˆุฒูŠ ุฃูˆ ุงู„ุนูƒุณ ุฅู†ู‡
329
00:25:46,440 --> 00:25:50,300
ุจู†ุฎุตู… ุนู„ู‰ ุฒูˆุฌุชูŠู„ู„ุฃูˆู„ุงุฏ ู‡ุฏูˆู„ ูู‡ุฐุง ุจู†ุงุก ุนู„ู‰ ุงู„
330
00:25:50,300 --> 00:25:52,740
system requirements ุฃู†ุง ู…ุด ู‡ุญูƒูŠ ุฃู†ุง ุจุฏู†ุง ู†ุนู…ู„
331
00:25:52,740 --> 00:25:56,080
analysis ูˆ ู†ุญู„ู„ ุงู„ู…ูˆุถูˆุน ูˆ ู†ูู‡ู…ู‡ ูˆ ุจุนุฏูŠู† ู†ุจุฏุฃ ู†ุฑุณู…
332
00:25:56,080 --> 00:25:58,840
ููŠ ุงู„ diagram ูุงุญู†ุง ู„ู…ุง ู†ุญู„ู„ ูˆ ู†ูุชุด ููŠ ู‡ุฐู‡ ุงู„ุฃู…ูˆุฑ
333
00:25:58,840 --> 00:26:01,860
ู†ูŠุฌูŠ ูˆ ู†ุญูƒูŠ ุฅู† ู‡ูˆ ู‡ุฐุง weak ูˆ ู‡ุฐุง strong ููŠ ุงู„ู†ู‡ุงูŠุฉ
334
00:26:01,860 --> 00:26:03,960
ุฃู†ุง ู…ุง ุจุนู…ู„ุด ู‡ุฐุง weak ูˆ ู‡ุฐุง strong ูˆ ู‡ุฐุง one to
335
00:26:03,960 --> 00:26:07,140
many ูˆ ู‡ุฐุง many to many ุนู„ู‰ ูƒุงููŠ ุจู†ุงุก ุนู„ู‰ ุงู„ูˆุงู‚ุน
336
00:26:07,140 --> 00:26:13,400
ุงู„ู„ูŠ ุนู†ุฏูŠ ุฃู†ุง ุจูˆุตู ุงู„ูˆุงู‚ุน ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุงู„ู…ุซุงู„
337
00:26:13,400 --> 00:26:14,980
ูˆุงุถุญ ูˆู„ุง ุจุฏู‡ ุดุฑุญ ูƒู…ุงู†
338
00:26:19,900 --> 00:26:23,380
ุงู„ุขู† ุจุฏู†ุง ู†ูุตู„ ุฃูƒุซุฑ ููŠ ุงู„ relationships ุญูƒูŠู†ุง ุฅู†
339
00:26:23,380 --> 00:26:28,200
ุงู„ relationship ู‡ูŠ ุนุจุงุฑุฉ ุนู† association ุนู„ุงู‚ุฉ ุจูŠู†
340
00:26:28,200 --> 00:26:36,200
ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ entities ุงุซู†ุชูŠู† ุฃูˆ ุชู„ุงุชุฉ ุฃูˆ ุฃูƒุซุฑ ูˆู‡ุฐู‡
341
00:26:36,200 --> 00:26:40,720
ุงู„ุนู„ุงู‚ุฉ ุนุงุฏุฉ ุจุชูƒูˆู† ุนู„ู‰ ุดูƒู„ one to many ุฃูˆ one to
342
00:26:40,720 --> 00:26:46,960
one ุฃูˆ many to many ูˆ ุฃุนุทูŠู†ุง ุฃู…ุซู„ุฉ ุนู„ู‰ ูƒู„ ูˆุงุญุฏุฉ ู„ูˆ
343
00:26:46,960 --> 00:26:49,540
ุจุฏู†ุง ู†ุณุชุฑุฌุน ุงู„ุณุฑูŠุน ู†ุฑุงุฌุน ุงู„ู…ุนู„ูˆู…ุงุช ุงู„ู„ูŠ ุญูƒูŠู†ุงู‡ุง ููŠ
344
00:26:49,540 --> 00:26:53,580
ุงู„ู…ุญุงุถุฑุฉ ู…ูŠู† ูŠุนุทูŠู†ุง ู…ุซุงู„ ุนู„ู‰ ุนู„ุงู‚ุฉ one to many
345
00:26:53,580 --> 00:26:57,220
ูˆุงุญุฏุฉ
346
00:26:57,220 --> 00:27:03,960
ุบูŠุฑ one ุงู„ู‚ุณู… ูˆ ุงู„ู…ูˆุธููŠู† one to many ู…ูŠู† ุจูŠุดูƒู„ ููŠ
347
00:27:03,960 --> 00:27:09,320
ู‡ุฐู‡ ุงู„ุนู„ุงู‚ุฉ ุฌู‡ุฉ ุงู„ one ุงู„ู‚ุณู… ู‡ูˆ ุงู„ one ูˆ ู…ูŠู† ุงู„
348
00:27:09,320 --> 00:27:16,090
many ุงู„ employees ุฃูˆ ุงู„ staff ุฌู…ูŠู„ ุทูŠุจ ุนู„ุงู‚ุฉ ุงู„
349
00:27:16,090 --> 00:27:19,030
one to one ุงู„ู…ุซุงู„ ุนู„ูŠู‡ุง ู…ู† ุงู„ุฃู…ุซู„ุฉ ุงู„ู„ูŠ ุฃุฎุฐู†ุงู‡ุง ุฃูˆ
350
00:27:19,030 --> 00:27:25,190
ู…ุซุงู„ ุฌุฏูŠุฏ ุงู„ู…ุฏูŠุฑ ู…ุน ุงู„ู‚ุณู… ู„ูƒู„ ู‚ุณู… ู…ุฏูŠุฑ ูˆุงุญุฏ ูˆ ูƒู„
351
00:27:25,190 --> 00:27:29,390
ู…ุฏูŠุฑ ู‡ูˆ ู…ุฏูŠุฑ ุนู„ู‰ ู‚ุณู… ูˆุงุญุฏ ูู‚ุท ูุงู„ุนู„ุงู‚ุฉ one to one
352
00:27:29,390 --> 00:27:35,750
ุงู„ many to many ุทู„ุงุจ ู…ุน ุงู„ูƒูˆุฑุณุงุช ู…ุด ููŠ ุงู„ุชุฎุตุต ุนุงุฏุฉ
353
00:27:35,750 --> 00:27:38,890
ุทุงู„ุจ.. ุนุงุฏุฉ ุจูŠูƒูˆู† ููŠ ุชุฎุตุต ูˆุงุญุฏ ุงู„ุทุงู„ุจ ู…ุน ุงู„ูƒูˆุฑุณุงุช
354
00:27:38,890 --> 00:27:42,130
ุงู„ู…ูˆุงุฏ ูŠุนู†ูŠ ุงู„ู…ุณุงู‚ุงุช ุงู„ู„ูŠ ุจู†ุฒู„ู‡ุง ุงู„ุทุงู„ุจ ุจูŠูƒูˆู† ุนู†ุฏู‡
355
00:27:42,130 --> 00:27:48,310
ุฃูƒุซุฑ ู…ู† ู…ุณุงู‚ ูˆ ุงู„ู…ุณุงู‚ ููŠู‡ ุฃูƒุซุฑ ู…ู† ุทุงู„ุจ ูˆ ู‡ูŠ ุงู„ู…ุซุงู„
356
00:27:48,310 --> 00:27:53,450
ู…ู†ู‡ู… ู…ุฑุณูˆู… ูˆ ุงู„ุฃุดูƒุงู„ ู‡ุฐู‡ ูŠุนู†ูŠ ุจุชูˆุถุญ ู†ูˆุน ุงู„ุนู„ุงู‚ุฉ
357
00:27:53,450 --> 00:27:56,490
ุฅู† ู‡ูŠ ุนู†ุฏูŠ two entities ูˆ ูƒูŠู ุทุจูŠุนุฉ ุงู„ุงุฑุชุจุงุท
358
00:27:56,490 --> 00:27:57,030
ุจูŠู†ู‡ู…
359
00:28:05,420 --> 00:28:10,080
ุงู„ one to many ู‡ุฐู‡ ุงู„ุนู„ุงู‚ุฉ ู‡ูŠ ุฃูƒุซุฑ ุนู„ุงู‚ุฉ ุจู†ุดูˆูู‡ุง
360
00:28:10,080 --> 00:28:13,560
ููŠ ุชุญู„ูŠู„ ุงู„ุฃู†ุธู…ุฉ ู„ู…ุง ุจู†ูŠุฌูŠ ุจู†ุนู…ู„ ุงู„ database ู‡ูŠ ุงู„
361
00:28:13,560 --> 00:28:18,200
most common relationship ุฃุบู„ุจ ุงู„ุฃู…ูˆุฑ ู„ูˆ ู†ูŠุฌูŠ ู†ููƒุฑ
362
00:28:18,200 --> 00:28:22,460
ููŠู‡ุง ุนู„ู†ุง ู‡ูŠ ุทุจูŠุนุฉ ุงู„ุนู„ุงู‚ุฉ ููŠู‡ุง one to many ุชู‚ุฑูŠุจุง
363
00:28:22,460 --> 00:28:25,320
90% ู…ู† ุงู„ุนู„ุงู‚ุงุช ู…ู† ู‡ุฐุง ุงู„ู†ูˆุน
364
00:28:28,470 --> 00:28:31,190
ููŠ ุญุงู„ุฉ ุงู„ one to many ุจูŠูƒูˆู† ู…ุณู…ูˆุญ ู„ู†ุง ููŠ ุฌู‡ุฉ ููŠ
365
00:28:31,190 --> 00:28:34,710
ุทุฑู ุฅู† ูŠูƒูˆู† ุนู†ุฏู‡ ุนู†ุตุฑ ูˆุงุญุฏ entity ูˆุงุญุฏุฉ object
366
00:28:34,710 --> 00:28:41,930
ูˆุงุญุฏ ู…ุฑุจูˆุท ู…ุน ุนู†ุตุฑ ูˆุงุญุฏ ุฃูˆ ุฃูƒุซุฑ ูˆุงุญุฏ ุฃูˆ ุฃูƒุซุฑ ู‡ุงูŠ
367
00:28:41,930 --> 00:28:45,430
ู…ุนู†ู‰ many ูŠุนู†ูŠ ู…ุด ุจุงู„ุถุฑูˆุฑุฉ many ุฅู† ู„ุงุฒู… ูŠูƒูˆู† ูƒุชุงุฑ
368
00:28:45,430 --> 00:28:49,490
ูŠุนู†ูŠ ุนู„ุงู‚ุฉ ุงู„ุฃุจ ู…ุน ุงู„ุงุจู† one to many ู…ู…ูƒู† ุงู„ุฃุจ
369
00:28:49,490 --> 00:28:53,610
ูŠูƒูˆู† ุนู†ุฏู‡ ุงุจู† ูˆุงุญุฏ ุจุณ ุตุญ ู…ู…ูƒู† ู…ุง ูŠูƒูˆู†ุด ุนู†ุฏู‡ ู…ู…ูƒู†
370
00:28:53,610 --> 00:28:54,870
ูŠูƒูˆู† ุนู†ุฏู‡ ุฃุฑุจุนุฉ ุฃูˆ ุฎู…ุณุฉ
371
00:28:57,760 --> 00:29:02,140
ูˆุงุถุญุฉุŒ ู„ูƒู† ุนู„ุงู‚ุฉ ุงู„ one to one ูŠุนู†ูŠ ู„ุงุฒู… ูˆุงุญุฏ
372
00:29:02,140 --> 00:29:06,020
ู„ูˆุงุญุฏุŒ ู‡ูŠ ุนู„ุงู‚ุฉ ุงู„ุงุจู† ู…ุน ุงู„ุฃุจุŒ ู„ุงุฒู… ูŠูƒูˆู† ู„ู‡ ุฃุจุŒ
373
00:29:06,020 --> 00:29:10,180
ู…ู…ูƒู† ุงู„ุงุจู† ู…ุง ู„ูˆุด ุฃุจ ุฃูˆ ู…ุง ู„ูˆุด ุฃู…ุŒ ู…ุณุชุญูŠู„ุŒ ู„ุงุฒู… ููŠ
374
00:29:10,180 --> 00:29:14,820
.. ุฃูƒูŠุฏ ููŠ ุฃุจ ุฃูˆ ููŠ ุฃู…ุŒ ู…ู…ูƒู† ูŠูƒูˆู†ูˆุง ุงุซู†ูŠู†ุŒ ุชู„ุงุชุฉุŒ
375
00:29:14,820 --> 00:29:18,200
ุฃุฑุจุนุฉุŒ ู„ุฃ ุจุฑุถู‡ุŒ ู…ุณุชุญูŠู„ุŒ ูุฅุฐุง ุงู„ one to one ูŠุนู†ูŠ
376
00:29:18,200 --> 00:29:23,260
must be one to one one to many ู…ุนู†ุงู‡ ูƒู„ู…ุฉ many ุฅู†
377
00:29:23,260 --> 00:29:30,960
ุจุชุญุชู…ู„ ูˆุงุญุฏ ุฃูˆ ุฃูƒุซุฑ ูƒู„ู…ุฉ ู‡ุฏุนุฏ ุฃูƒุซุฑ ูƒู… ู…ุด ู…ุนุฑูˆู
378
00:29:30,960 --> 00:29:38,340
ุจู†ุนุจุฑ ุนู†ู‡ู… ุนุงุฏุฉ ููŠ ุงู„ุฑุณู… ุจุดูƒู„ ุฎุท ูˆ ุจุญุท ูˆุงุญุฏ ุนู„ู‰
379
00:29:38,340 --> 00:29:44,640
ุฌู‡ุฉ ุงู„ one ูˆ ุจุญุท ุดูƒู„ ุงู„ุดูˆูƒุฉ ุชูุฑุน ุงู„ุฎุท ุฎุท ู…ุชูุฑุน ุนู„ู‰
380
00:29:44,640 --> 00:29:49,270
ุฌู‡ุฉ ุงู„ many ุงู„ุทุฑูŠู‚ุฉ ุงู„ุซุงู†ูŠุฉ ุฅู† ุฃู†ุง ุฃูƒุชุจ one ูƒุชุงุจุฉ
381
00:29:49,270 --> 00:29:52,490
ูˆุงุญุฏ ูˆ ู‡ู†ุง ุญุฑู ุงู„ M ุงู„ุทุฑูŠู‚ุฉ ุงู„ุซุงู„ุซุฉ ุฅู† ุฃู†ุง ุฃูƒุชุจ
382
00:29:52,490 --> 00:29:56,550
ู‡ู†ุง ูˆุงุญุฏ ูˆ ุฃุญุท ู‡ู†ุง ุฅุดุงุฑุฉ ุงู„ infinity ู…ุง ู„ุง ู†ู‡ุงูŠุฉ
383
00:29:56,550 --> 00:30:04,610
ุงู„ู…ู„ุงุญุธุฉ
384
00:30:04,610 --> 00:30:09,110
ุงู„ุฃุฎูŠุฑุฉ ุงู„ู…ู„ูˆู†ุฉ ุชุญุช ู‡ุฐู‡ ุฅู† ุงุญู†ุง ุฏุงุฆู…ุง ู„ู…ุง ู†ูŠุฌูŠ
385
00:30:09,110 --> 00:30:11,810
ู†ุญูˆู„ ุงู„ุนู„ุงู‚ุฉ ู‡ุงูŠ ู„ุฅู† ูˆ ููŠู…ุง ุจุนุฏ ู†ุญูˆู„ู‡ุง ู„
386
00:30:11,810 --> 00:30:14,870
database ู„ tables ูˆ ู„ relational database model
387
00:30:14,870 --> 00:30:20,570
ุฏุงุฆู…ุง ุจู†ุงุฎุฏ ุงู„ primary key ุชุจุน ุงู„ุฌู‡ุฉ ุงู„ู„ูŠ ุนู„ูŠู‡ุง
388
00:30:20,570 --> 00:30:26,630
one ูˆ ุจู†ุญุทู‡ ูƒ foreign key ููŠ ุฌู‡ุฉ ุงู„ many ู…ุด ุงู„ุนูƒุณ
389
00:30:28,240 --> 00:30:31,600
ู‚ุงุนุฏุฉ ู…ู‡ู…ุฉ ุงุญู†ุง ุงู„ ER model ุจุนุฏ ู…ุง ู‡ู†ุฑุณู…ู‡ ู…ุด ู‡ู†ุฑูˆุญ
390
00:30:31,600 --> 00:30:34,780
ู†ุญูˆู„ู‡ ู„ relational database model ู„ุฃู† ููŠ ุนู…ู„ูŠุฉ
391
00:30:34,780 --> 00:30:39,620
ุงู„ุชุญูˆูŠู„ ู‡ุฐู‡ ู‡ู†ุงุฎุฏ ุงู„ primary key ุชุจุน ุงู„ department
392
00:30:39,620 --> 00:30:44,540
ูˆู†ุญุทู‡ ูƒ foreign key ุนู†ุฏ ุงู„ student ูŠุนู†ูŠ ุจุงุฎุฏ ุงู„
393
00:30:44,540 --> 00:30:47,900
primary key ุชุจุน ุงู„ุนู„ุงู‚ุฉ ุงู„ู„ูŠ ุนู„ูŠู‡ุง one ูˆ ุจุญุทู‡
394
00:30:47,900 --> 00:30:51,500
foreign key ุนู†ุฏ ุงู„ many note that the foreign key
395
00:30:51,500 --> 00:30:56,240
always will be at the many side ุนู„ู‰ ุงู„ุฌู‡ุฉ ู‡ุฐู‡
396
00:30:56,240 --> 00:30:56,860
ุฏุงุฆู…ุง ุจูƒูˆู†
397
00:31:01,060 --> 00:31:05,980
ู…ุซุงู„ ู…ุน ุฃุณู…ุงุก ู…ุน ุฃุฑู‚ุงู… ุนุดุงู† ู†ุณูˆูŠ ุจุงู„ููƒุฑุฉ ู„ูˆ ุฃู†ุง
398
00:31:05,980 --> 00:31:10,680
ุนู†ุฏูŠ entity set ู„ู„ students ุฑุงุญุธูŠู† ู…ุซู„ู†ุงู‡ุง ุนู„ู‰ ุดูƒู„
399
00:31:10,680 --> 00:31:14,780
tables ูˆู‡ุฐุง ุงู„ู„ูŠ ู‡ูŠุตูŠุฑ ู„ู…ุง ู†ุญูˆู„ ุงู„ ER ู„ relational
400
00:31:14,780 --> 00:31:22,180
database model ูˆ departments ุงู„ student ู„ู‡ three
401
00:31:22,180 --> 00:31:27,440
attributes ุฑู‚ู…ู‡ student number ุงุณู…ู‡ ุงู„ S name
402
00:31:27,440 --> 00:31:33,040
student name ูŠุนู†ูŠ ูˆ ู‡ุฐุง foreign key ุฃุฎุฐู†ุงู‡ ู…ู† ุงู„
403
00:31:33,040 --> 00:31:35,380
table ุงู„ุซุงู†ูŠ ู…ู† ุงู„ set ุงู„ุซุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„
404
00:31:35,380 --> 00:31:40,980
department ID ุงู„ department ID ููˆู‚ ุนุจุงุฑุฉ ุนู† ุงู„
405
00:31:40,980 --> 00:31:44,260
primary key ู„ู‡ุฐุง ุงู„ set ุงู„ุซุงู†ูŠ ูˆ ุงู„ department
406
00:31:44,260 --> 00:31:49,180
name attribute ุงู„ุซุงู†ูŠ ุทุจุนุง ุจุฏูŠ ุฃุฑุจุท ุจูŠู†ู‡ู… ุจุฏูŠ ุฃู…ุซู„
407
00:31:49,180 --> 00:31:54,060
ุงู„ุนู„ุงู‚ุฉ ุฅู† ุงู„ุทุงู„ุจ ูŠุฏุฑุณ ููŠ ุงู„ department
408
00:31:56,090 --> 00:32:00,510
ูุญู„ุงู‚ูŠ ุนู†ุฏูŠ ุทุงู„ุจ ุฑู‚ู… ูˆุงุญุฏ ุงุญู…ุฏ ุจูŠุฏุฑุณ ููŠ ุงู„ู‚ุณู… ุฑู‚ู…
409
00:32:00,510 --> 00:32:04,130
ุนุดุฑุฉ ู„ู…ุง ุญุงุฌุฉ ุนู„ู‰ ุงู„ุงู†ุช ุงู„ุณุช ู‡ุฐู‡ ู…ูŠู† ุงู„ primary
410
00:32:04,130 --> 00:32:07,430
key ุชุจุนู‡ุง ุนุดุฑุฉ computer science ุฅุฐุง ุฃู†ุง ุจูู‡ู…
411
00:32:07,430 --> 00:32:14,630
ู…ุจุงุดุฑุฉ ุฅู† ุงุญู…ุฏ ู‡ูˆ ุทุงู„ุจ ููŠ ุงู„ computer science ู…ูŠู†
412
00:32:14,630 --> 00:32:19,970
ู…ุนุงู‡ ููŠ ุงู„ computer science ูƒู…ุงู† ุณุงู„ูŠ ูˆ ุฑุงู…ูŠู„ูˆ
413
00:32:19,970 --> 00:32:24,310
ุงุฌูŠู†ุง ูƒู…ุงู† ุงู„ foreign key ุฑู‚ู… ุนุดุฑูŠู† ูˆ ุณุงู… ูˆ ู…ุญู…ุฏ ูˆ
414
00:32:24,310 --> 00:32:28,870
ุฎุงู„ุฏ ูˆ ู…ู†ู‰ ุจุฏุฑุณูˆุง ู‡ู†ุง ููŠ ุงู„ information systems
415
00:32:28,870 --> 00:32:33,890
ุฑุงู†ูŠุง ูˆ ุญุณู† ุงู„ foreign key ุงู„ู„ูŠ ุนู†ุฏู‡ู… ุซู„ุงุซูŠู† ุงู„ู„ูŠ
416
00:32:33,890 --> 00:32:37,850
ุนุจุงุฑุฉ ุนู† ุงู„ primary key ู„ู…ูŠู† ู„ู„ multimedia and web
417
00:32:37,850 --> 00:32:46,130
development ู„ุงุญุธูˆุง ุทุจูŠุนุฉ ุงู„ุนู„ุงู‚ุฉ ุฅู† one department
418
00:32:46,130 --> 00:32:50,860
many students ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ students ู…ุณุฌู„ูŠู† ููŠ ู†ูุณ ุงู„
419
00:32:50,860 --> 00:32:56,640
department ุจุณ ู…ุง ููŠุด ูˆู„ุง ุทุงู„ุจ ู…ุงุฎุฏ ุฃูƒุซุฑ ู…ู† ุฑู‚ู…
420
00:32:56,640 --> 00:33:02,920
ูุฃุฎุฐู†ุง ุงู„ primary key ุชุจุน ุงู„ one ูˆ ุญุทูŠู†ุงู‡ุง foreign
421
00:33:02,920 --> 00:33:10,040
key ุนู†ุฏ ุงู„ man ู‡ูŠูƒ ุจูŠูƒูˆู† ุงู„ุชุตู…ูŠู… ุชุจุนู†ุง ุตุญ ูˆู…ุธุจูˆุท
422
00:33:10,040 --> 00:33:14,850
ููŠ ุดูŠ ุตุนุจ ููŠ ุงู„ุฎุทูˆุฉ ู‡ุงูŠุŸ ูŠุนู†ูŠ ู„ูˆ ุงุฌู‰ ุณุคุงู„ ุจุณูŠุท true
423
00:33:14,850 --> 00:33:19,310
and false ููŠ quizุŒ ููŠ ุงู…ุชุญุงู† ุฃู†ู‡ we always ุฃูˆ we
424
00:33:19,310 --> 00:33:25,470
should put the primary key of the one to many
425
00:33:25,470 --> 00:33:31,730
relation from the one entity set as a foreign key
426
00:33:31,730 --> 00:33:37,570
ุนู†ุฏ ู…ูŠู†ุŸ ุนู†ุฏ ุงู„ money entity set true ูˆู„ุง falseุŸ
427
00:33:37,570 --> 00:33:45,070
true true okay ุงุญู†ุง ู„ุงุฒู… ู‡ูŠูƒ ู†ุนู…ู„ mustุŒ should
428
00:33:45,070 --> 00:33:52,430
ูƒู†ุตูŠุญุฉุŒ ุชู…ุงู…ุŸ guideline of design ุฅู†ู‡ ู„ุงุฒู… ุฅูŠุด
429
00:33:52,430 --> 00:34:01,370
ู†ุญุทู‡ ู…ู† ุนู†ุฏ ุฌู‡ุฉ ุงู„ one ู„ุฌู‡ุฉ ุงู„ many ู‡ุฐู‡ ู…ุซุงู„ ุฃุณู„ูˆุจ
430
00:34:01,370 --> 00:34:04,530
ุงู„ุฑุณู… ุงู„ู„ูŠ ู…ู…ูƒู† ุชู„ุงู‚ูˆู‡ ุฃูˆ ุชุดูˆููˆู‡ ููŠ ุงู„ slides ุฃูˆ
431
00:34:04,530 --> 00:34:08,670
ููŠ ุงู„ูƒุชุจ ุฃูˆ ุนู„ู‰ ุงู„ internet ุญุณุจ ุงู„ู„ูŠ ุจูŠุดุชุบู„ุŒ ุงู„ู„ูŠ
432
00:34:08,670 --> 00:34:12,590
ุจูŠุนู…ู„ ุงู„ design one to many one to many one to
433
00:34:12,590 --> 00:34:15,550
many ุจู†ุนุจู‘ุฑ ุนู„ูŠู‡ุง ุจุฑู‚ู… ูˆุงุญุฏ ูˆ infinity ุฃูˆ ูˆุงุญุฏ ูˆ
434
00:34:15,550 --> 00:34:20,670
ุญุฑู ุงู„ M ุฃูˆ ุฎุท ุฏู„ุงู„ุฉ ุนู„ู‰ ุงู„ูˆุงุญุฏ ูˆ ุงู„ fork ุงู„ู„ูŠ ู‡ูŠ
435
00:34:20,670 --> 00:34:25,350
ุงู„ุชุดุนุจ ุฏู„ุงู„ุฉ ุนู„ู‰ ุงู„ many ูŠุนู†ูŠ ุณูˆุงุก ุฑุณู…ุชูŠ ุจู‡ุฐุง
436
00:34:25,350 --> 00:34:28,930
ุงู„ุดูƒู„ ุจู‡ุฐุง ุงู„ุดูƒู„ ุจู‡ุฐุง ุงู„ุดูƒู„ ูƒู„ู‡ ุตุญ ุงุฌุงูƒ ุณุคุงู„ ููŠ
437
00:34:28,930 --> 00:34:33,270
ุงู„ุงู…ุชุญุงู† ุจุฃูŠ ุทุฑูŠู‚ุฉ ู…ู†ู‡ู… ู…ุงุญุฏุด ูŠุญูƒูŠ ุฃู†ู‡ ู…ุงุงุฎุฏู†ู‡ูˆุด
438
00:34:33,270 --> 00:34:36,810
ู…ุด ุนุงุฑููŠู†ู‡ ู…ุงุดูˆูู†ู‡ูˆุด ุชู…ุงู…ุŸ
439
00:34:41,720 --> 00:34:45,720
ุงู„ one to many ูƒู…ุงู† ู…ุซุงู„ ู†ุจุณุท ุนู„ู‰ ุงู„ููƒุฑุฉ ุงู„ู„ูŠ ู‡ูŠ
440
00:34:45,720 --> 00:34:49,700
ู…ุซุงู„ ุงู„ building ู…ุน ุงู„ classrooms ุงู„ building
441
00:34:49,700 --> 00:34:53,820
ุงู„ู…ุจู†ู‰ ูƒุงู… classrooms ุจูŠูƒูˆู† ููŠู‡ many ูˆุงุญุฏุฉ ุงุชู†ุชูŠู†
442
00:34:53,820 --> 00:34:58,060
ุชู„ุงุชุฉ ุนุดุฑุฉ ุญุณุจ ุญุฌู… ุงู„ู…ุจู†ู‰ ุฃู„ู ู„ูƒู† ุงู„ classroom
443
00:34:58,060 --> 00:35:03,120
ู…ู…ูƒู† ูŠูƒูˆู† ุชุงุจุน ู„ุฃูƒุซุฑ ู…ู† ุงู„ู…ุจู†ู‰ ูŠุนู†ูŠ ู…ู†ุทู‚ูŠุง ู‡ู†ุฏุณูŠุง
444
00:35:03,120 --> 00:35:06,740
ู…ุง ุจู†ุฑูƒุจุด ูู‡ูˆ ุชุงุจุน ู„ู…ุจู†ู‰ ู…ุนูŠู† ูุงู„ building has
445
00:35:06,740 --> 00:35:12,330
classrooms ูˆ ุงู„ุนู„ุงู‚ุฉ one to many ู„ู…ุง ุจุฏู†ุง ู†ูŠุฌูŠ
446
00:35:12,330 --> 00:35:15,530
ู†ุนู…ู„ ุงู„ design ุชุจุน ุงู„ database ู‡ู†ู„ุงู‚ูŠ ุงู†ู‡ ุงู„
447
00:35:15,530 --> 00:35:19,030
building entity set ููŠู‡ ู„ู‡ุง building number ู‡ูˆ ุงู„
448
00:35:19,030 --> 00:35:24,410
primary key ุฑู‚ู… ุงู„ู…ุจู†ู‰ ู…ุจู†ู‰ K ู…ุจู†ู‰ L ู…ุจู†ู‰ I ู…ุจู†ู‰ Z
449
00:35:24,410 --> 00:35:34,010
name ู„ู„ู…ุจู†ู‰ location ู…ูˆู‚ุน ู„ู‡ ู…ูƒุงู† ุงู„ classroom ููŠ
450
00:35:34,010 --> 00:35:38,910
ุงู„ู‡ุง building number ูˆ classroom number ุงู„ุงุชู†ูŠู† ู…ุน
451
00:35:38,910 --> 00:35:42,550
ุจุนุถ ุจูŠู…ุซู„ูˆุง ุงู„ primary key ู…ุด ูˆุงุญุฏ ู„ุญุงู„ู‡ ูŠุนู†ูŠ
452
00:35:42,550 --> 00:35:49,270
ุงู„ู‚ุงุนุฉ ู‡ูŠ ุงูŠุด ุฑู‚ู…ู‡ุง ุงู„ 518 ุฑู‚ู… ุงู„ classroom 518 ุจุณ
453
00:35:49,270 --> 00:35:55,050
ููŠ ุฃู†ู‡ ู…ุจู†ู‰ ุงู„ 518 ุงู„ building number ู…ุน ุงู„
454
00:35:55,050 --> 00:35:58,670
classroom number ุจุญุฏุฏ ุฃู†ุง ุงู„ entity ุจุชุงุนุชูŠ ู‡ุฐุง
455
00:35:58,670 --> 00:36:02,770
ุจู…ุซู„ ุงู„ primary key ุนู†ุฏูŠ capacity ุฃู†ู‡ ุฃู†ุง ุจุฏูŠ ุงุญุฏุฏ
456
00:36:02,770 --> 00:36:05,150
ููŠ ูƒู„ ุบุฑูุฉ ุญุท ู…ุนู„ูˆู…ุงุช ููŠ ุงู„ database ุนู†ุฏูŠ ุชูˆุณุน ูƒุงู…
457
00:36:05,150 --> 00:36:08,260
ุทุงู„ุจ ู„ุงู† ุงู†ุง ุจุฏูŠ ุงุญุฌุฒ ู„ู…ุง ุจุฏูŠ ุงุนู…ู„ database ุจุฏูŠ
458
00:36:08,260 --> 00:36:12,920
ุงุญุฌุฒ ุงู„ู‚ุงุนุงุช ู„ courses ู„ู…ุณุงู‚ุงุช ุงู„ู…ุณุงู‚ ุงู„ู„ูŠ ููŠู‡ ุงู„ู
459
00:36:12,920 --> 00:36:17,220
ุทุงู„ุจ ุงูˆ ู…ูŠุฉ ุทุงู„ุจ ู…ุด ู‡ุนุทูŠู‡ ู‚ุงุนุฉ ุฒูŠ ุงู„ู„ูŠ ููŠู‡ุง ู…ุซู„ุง
460
00:36:17,220 --> 00:36:21,600
ุนุดุฑ ุทู„ุงุจ ุฃูˆ ุนุดุฑูŠู† ุทุงู„ุจ ุจุฏูŠ ุงู†ุณุฎ ุจูŠู† ุนุฏุฏ ุงู„ุทู„ุงุจ ููŠ
461
00:36:21,600 --> 00:36:26,400
ุงู„ู…ุณุงู‚ ูˆุจูŠู† ุญุฌู… ุงู„ู‚ุงุนุฉ ูู‡ุจุฏูŠ ุงุนุทูŠู‡ุง ูƒุจุณูŠ ุงู„ููƒุฑุฉ ุงู†
462
00:36:26,400 --> 00:36:32,640
ู‡ูŠ ุงู„ primary number ุนุจุงุฑุฉ ุนู† ุฑู‚ู… ูˆุงุญุฏ ุจูŠู†ู…ุง ุนู†ุฏูŠ
463
00:36:32,640 --> 00:36:38,800
ููŠ ุงู„ classroom ุฑู‚ู…ูŠู† ู…ุน ุจุนุถ combined primary key
464
00:36:38,800 --> 00:36:43,420
ุงู„ุงุชู†ูŠู† ู…ุน ุจุนุถ combined ู‡ู… ุจูŠู…ุซู„ูˆุง ุงู„ primary key
465
00:36:43,420 --> 00:36:46,920
ุงู„ building number ู„ูˆุญุฏู‡ ุจุฏูˆู† ู…ุง ุงุทู„ุน ุงู„ class
466
00:36:46,920 --> 00:36:52,420
number ุนุจุงุฑุฉ ุนู† foreign foreign key ูˆ ุจู†ูุณ ุงู„ูˆู‚ุช
467
00:36:52,420 --> 00:36:58,860
ุจูŠู…ุซู„ ุจูŠู…ุซู„ ุงู„ู„ูŠ ู‡ูˆ ุงูŠุด ุจูŠู…ุซู„ูŠ ูŠุนู†ูŠ ู‡ูˆ foreign key ูˆ
468
00:36:58,860 --> 00:37:07,240
ุจู†ูุณ ุงู„ูˆู‚ุช partial ู…ู† ุงู„ primary key ุงู„
469
00:37:07,240 --> 00:37:10,520
one to one ุฃู†ู‡ ุฃู†ุง ูŠูƒูˆู† ุนู†ุฏูŠ maximum one ููŠ ุงู„
470
00:37:10,520 --> 00:37:14,340
both direction ููŠ ุงู„ุฌู‡ุชูŠู† ู…ุซุงู„ ุนู„ูŠู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู…ุฏูŠุฑ
471
00:37:14,340 --> 00:37:17,820
ุฃูˆ ุงู„ head of department ู…ุน ุงู„ department ูƒู„ ู‚ุณู…
472
00:37:17,820 --> 00:37:23,260
ู„ู‡ ู…ุฏูŠุฑ ูˆ ูƒู„ ู…ุฏูŠุฑ ู‡ูˆ ู…ุฏูŠุฑ ุนู„ู‰ ู‚ุณู… ูˆุงุญุฏ ููŠ ู‡ุฐู‡
473
00:37:23,260 --> 00:37:25,480
ุงู„ุญุงู„ุฉ ุงู„ foreign key ูˆูŠู† ุจู†ุญุทู‡ุŸ ุนู„ู‰ ุฃูŠ ุฌู‡ุฉุŸ
474
00:37:28,540 --> 00:37:31,060
ููŠ ุงู„ one to many ุญูƒูŠู†ุง ุงู† ู†ุงุฎุฏ ุงู„ primary key
475
00:37:31,060 --> 00:37:35,100
ุชุจุน ุงู„ one ูˆ ู†ุญุทู‡ foreign key ุนู†ุฏ ุงู„ many ููŠ ุงู„
476
00:37:35,100 --> 00:37:39,240
one to one ู†ุนู…ู„ ู†ูุณ ุงู„ุนู…ู„ูŠุฉ ุจุณ ู…ุงููŠุด ู…ุดูƒู„ุฉ ุณูˆุงุก
477
00:37:39,240 --> 00:37:42,920
ู†ุนู…ู„ู‡ุง ู…ู† ุงู„ูŠู…ูŠู† ู„ู„ูŠุณุงุฑ ุฃูˆ ู…ู† ุงู„ูŠุณุงุฑ ู„ู„ูŠู…ูŠู† ู…ุงููŠุด
478
00:37:42,920 --> 00:37:48,680
ุฃูŠ ู…ุดูƒู„ุฉ ุฃู†ุช ุญุฑ ูƒ designer ุงู…ุง ุจุฎุชุงุฑ ุงู† ุงุญุท ุฑู‚ู…
479
00:37:48,680 --> 00:37:52,600
ุงู„ู‚ุณู… ุงุญุทู‡ ุนู†ุฏ ุงู„ entity set ุนุดุงู† ุงุนู…ู„ ุนู„ุงู‚ุฉ ุจูŠู†ู‡ู…
480
00:37:52,600 --> 00:37:56,940
ูƒ foreign key ุฃูˆ ุงู„ุนูƒุณ ุงุฎุฏ ุฑู‚ู… ุงู„ู…ูˆุธู ุงู„ู„ูŠ ู‡ูˆ ู…ุฏูŠุฑ
481
00:37:58,080 --> 00:38:02,480
ูˆุฃุญุทู‡ ุนู†ุฏ ุงู„ department ุนุดุงู† ูŠุนุจุฑ ุนู† ุฃู†ู‡ ู‡ูˆ ู…ุฏูŠุฑ
482
00:38:02,480 --> 00:38:07,320
ู‡ุฐุง ุงู„ู‚ุณู… ู‡ุฐู‡ ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ู‡ู†ุง ุงู„ department ู…ู† ุงู„
483
00:38:07,320 --> 00:38:11,560
primary key ุงู„ department code ูˆููŠ ุงุณู… ู„ู„
484
00:38:11,560 --> 00:38:14,900
department department name ูˆููŠ foreign key ู‡ูŠู‡
485
00:38:14,900 --> 00:38:18,380
head of department number ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„
486
00:38:18,380 --> 00:38:23,680
primary key ููŠ ุงู„ table ุงู„ุชุงู†ูŠุฉ ุฃูˆ ุงู„ entity set
487
00:38:23,680 --> 00:38:27,590
ุงู„ุชุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ head of department ู‡ูŠ ุงู„ primary
488
00:38:27,590 --> 00:38:30,650
key ู‡ุฐุง ุฌุจู†ุงู‡ ููŠ foreign key ู‡ุฐุง ูˆ ุงู„ุนูƒุณ ุจุงู„ุนูƒุณ
489
00:38:30,650 --> 00:38:35,930
ุตุญูŠุญ ูŠุนู†ูŠ ู„ูˆ ุฃู†ุง ู„ูˆ
490
00:38:35,930 --> 00:38:41,210
ุฃู†ุง ุฃุฎุฏุช ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฑู‚ู…
491
00:38:41,210 --> 00:38:45,230
ุชุจุน ุงู„ department code ูˆ ุญุทูŠุชู‡ ููŠ ู‡ุฐุง ุงู„ intercept
492
00:38:45,230 --> 00:38:49,750
ูˆ ุดูŠู„ู†ุง ู‡ุฐุง ุจูŠุตุจุญ ุงู„ุนูƒุณ
493
00:38:54,350 --> 00:38:58,750
ู‡ุฐู‡ ุงู„ู…ุซุงู„ ุนู†ุฏูŠ ู…ุน ุฃุฑู‚ุงู… ู…ุน ุฃุณู…ุงุก ุฃู†ู‡ ุฃู†ุง ุนู†ุฏูŠ
494
00:38:58,750 --> 00:39:03,210
ุฏูƒุชูˆุฑ ุฃุญู…ุฏ ู‡ูˆ ู…ุฏูŠุฑ ู„ู‚ุณู… ุนุดุฑุฉ ุนุดุฑุฉ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู†
495
00:39:03,210 --> 00:39:05,470
foreign key ููŠ ู‡ุฐุง ุงู„ุฌุฏูˆู„ ู„ูƒู†ู‡ุง ููŠ ุงู„ุฌุฏูˆู„ ุงู„ุซุงู†ูŠ
496
00:39:05,470 --> 00:39:09,470
ุนุจุงุฑุฉ ุนู† ุฅูŠุด primary key ูุฃู†ุง ุจุนุฑู ุฃู† ุฃุญู…ุฏ ู‡ูˆ ู…ุฏูŠุฑ
497
00:39:09,470 --> 00:39:14,410
ู‚ุณู… ุงู„ computer science ุฏูƒุชูˆุฑ ุฑุงู†ูŠุง ู…ุฏูŠุฑุฉ ู„ู‚ุณู… ุฑู‚ู…
498
00:39:14,410 --> 00:39:18,770
ุซู„ุงุซูŠู† ุงู„ู„ูŠ ู‡ูˆ multimedia and web development ูˆ
499
00:39:18,770 --> 00:39:23,070
ุงู„ุนู„ุงู‚ุฉ ุฒูŠ ู…ุง ุฃู†ุชู… ุดุงูŠููŠู† one to one ุงู„ุนู„ุงู‚ุฉ one
500
00:39:23,070 --> 00:39:26,270
to one ูˆ ุงุญู†ุง ุงุฎุชุฑู†ุง ุฃู†ู‡ ูŠูƒูˆู† ุงู„ primary key ุชุจุน
501
00:39:26,270 --> 00:39:28,450
ุงู„ department ุนู†ุฏ ุงู„ department manager ู„ูˆ ุนู…ู„ู†ุง
502
00:39:28,450 --> 00:39:32,410
ุงู„ุนูƒุณ ุจุธุจุท ูŠุนู†ูŠ ู„ูˆ ู„ุบูŠู†ุง ู‡ุฐุง ุงู„ attribute ูƒู„ู‡
503
00:39:32,410 --> 00:39:36,550
ู„ุบูŠู†ุงู‡ ูˆ ุฌูŠู†ุง ุนู…ู„ู†ุง attribute ุฌุฏูŠุฏ ููŠ ุงู„ GHI ูˆ
504
00:39:36,550 --> 00:39:39,190
ูƒุชุจู†ุง ุนู†ุฏ ุงู„ computer science ุญุท ุงูŠุด ู‡ู†ุง ุงูŠุด ุฑู‚ู…
505
00:39:39,190 --> 00:39:44,830
ุจู†ุญุทู‡ ู‡ู†ุง ุนุดุฑุฉ ู‡ูˆ ูŠูˆู…ูƒุชูˆุจ ุนุดุฑุฉ ุจู†ุญุท ูˆุงุญุฏ ุงู„ู„ูŠ ู‡ูˆ
506
00:39:44,830 --> 00:39:48,190
ุงู„ primary key ุชุจุน ุงู„ุฏูƒุชูˆุฑ ุฃุญู…ุฏ ุนู†ุฏ ุงู„ multimedia
507
00:39:48,190 --> 00:40:00,940
and web ุจู†ุญุท ุงูŠุด ุฑู‚ู… ุฃุฑุจุน ูˆ ู…ู…ูƒู† ู†ุฏู…ุฌ ุงู„ุฌุฏูˆู„ูŠู† ู…ู…ูƒู†
508
00:40:00,940 --> 00:40:02,720
ู†ุฏู…ุฌ ุงู„ุฌุฏูˆู„ูŠู†
509
00:40:22,940 --> 00:40:26,560
ูƒู…ุงู† ู…ุซุงู„ ุฃุฎูŠุฑ ุงู„ู„ูŠ ู‡ูˆ ุงู„ patient ู…ุน ุงู„ medical
510
00:40:26,560 --> 00:40:30,700
profile ุงู„ู…ุฑูŠุถ ูˆ ุงู„ู…ู„ู ุงู„ุทุจูŠ ุชุจุนู‡ ูƒู„ ู…ุฑูŠุถ ู„ู‡ ู…ู„ู
511
00:40:30,700 --> 00:40:35,960
ุทุจูŠ ูˆุงุญุฏ ุงู„ู…ู„ู ุงู„ุทุจูŠ ู‡ูˆ ู„ู…ุฑูŠุถ ูˆุงุญุฏ ู†ูุณ ุงู„ุดูŠุก ุฃู†ุช
512
00:40:35,960 --> 00:40:40,340
ุญุฑ ููŠ ุงู„ design ุฃู†ู‡ ุชุญุท ุฑู‚ู… ุงู„ patient ุนู†ุฏ ุงู„
513
00:40:40,340 --> 00:40:43,160
medical profile ูƒ foreign key ุฃูˆ ุงู„ุนูƒุณ ุชุงุฎุฏ ุฑู‚ู… ุงู„
514
00:40:43,160 --> 00:40:49,180
medical profile ุชุญุทู‡ ุนู†ุฏ ุงู„ patient ุขุฎุฑ ู†ูˆุน ู…ู†
515
00:40:49,180 --> 00:40:51,700
ุงู„ุนู„ุงู‚ุงุช ุงู„ many to many ู…ุด ู‡ุดุฑุญู‡ ุจุณ ุจุฏูŠ ุฃุญูƒูŠ
516
00:40:51,700 --> 00:40:55,380
ุฌู…ู„ุฉ ูˆุงุญุฏุฉ ุงู„ู†ูˆุน ู‡ุฐุง ู…ู† ุงู„ุนู„ุงู‚ุงุช ู…ู…ู†ูˆุน ู†ุญุทู‡ ููŠ ุงู„
517
00:40:55,380 --> 00:41:00,040
design ุชุจุน ุงู„ database ูˆูŠู† ู…ุง ู†ุดูˆู ููŠ ุงู„ design
518
00:41:00,040 --> 00:41:04,440
ุชุจุนู†ุง ููŠ many to many ููŠ ุทุฑู‚ ู„ุชุญูˆูŠู„ู‡ ู„ one to
519
00:41:04,440 --> 00:41:09,300
many ูƒูŠู ู‡ู†ุญุงูˆู„ูˆู‡ ูˆูƒูŠู ู‡ู†ุนู…ู„ูˆู‡ ู…ูˆุถูˆุนู†ุง ู‡ูŠูƒูˆู† ููŠ
520
00:41:09,300 --> 00:41:12,800
ุงู„ู…ุญุงุถุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ุฅู† ุดุงุก ุงู„ู„ู‡ ู‡ู†ุดุฑุญ ุนู„ุงู‚ุฉ ุงู„ many
521
00:41:12,800 --> 00:41:17,780
to many ูˆูƒูŠู ู…ู…ูƒู† ู†ุญูˆู„ู‡ุง ู„ุนู„ุงู‚ุฉ ู‚ุงุจู„ุฉ ู„ู„ุชุทุจูŠู‚ ููŠ
522
00:41:17,780 --> 00:41:21,120
ู…ุฌุงู„ ุงู„ database ูˆู†ุญูˆู„ู‡ุง ุงู„ one to many ูˆู†ุดูˆู ูƒูŠู
523
00:41:21,120 --> 00:41:23,620
ุงู„ุนู…ู„ูŠุฉ ู‡ุฐู‡ ุจุงู„ุชู… ูŠุนุทูŠูƒู… ุงู„ุนุงููŠุฉ