Mahsulot tavsifi
Having standart so‘zi orqali so‘rovlar yaratish. Union, Intersect va Minus standart so‘zidan foydalanish Standart funksiyalardan foydalanib so‘rovlar yaratish. Agrеgat funksiyalardan foydalanish.
#having#union#ma'lumotlar_bazasi#intersect#minus
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