supermarketning mohiyat-aloqa diagrammasi

prezentatsiya powerpoint “supermarket” ning mohiyat-aloqa diagrammasi 2-labaratoriya ishi “supermarket”ning relyatsion modeli 3-laboratoriya ishi sql tilida jadvallar yaratish, o‘zgartirish va o‘chirish. labaratoriya ishi-4 ma’lumotlarni tanlash va ular ustida amallar 5- laboratoriya ishi and, or, not mantiqiy standart so‘zlardan foydalanish. 6-laboratoriya ishi ma’lumotlarni saralash. where standart so‘zidan foydalanish 7- laboratoriya ishi group by va order by standart so‘zlaridan foydalanib so‘rov yaratish. 8-labarotoriya having standart so‘zi orqali so‘rovlar yaratish. 1. 2. 9-laboratoriya ishi union, intersect va minus standartso‘zlaridan foydalanish. 2. 3. 10-labaratoriya ishi 11-labaratoriya ishi 12-labaratoriya ishi 12-labaratoriya ishi 13-labaratoriya murakkab so‘rovlar yaratish. ...

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