c) Talaba jadvalida nrcha Nodir ismi bo’lsa shu ismlarni
d) Jadvaldan Nodir ismli talabalarni o’chiradi
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SELECT * FROM talaba WHERE yoshi=18 UNION SELECT * FROM talaba WHERE yoshi=20
a) SQl so’rovida xatolik bor
b) Yoshi 18 dan kichik yoki 20 dan kata talabalar
c) Yoshi 18 yoki 20 da bo’lgan talabalar
d) Yoshi 18-20 oralig’idagi talabalar
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Quyida keltirilgan ma’lumotlar bazasi modellarning qaysi birida elementlararo gorizantal va
verktikal aloqa bor?
a) Relyatsion
b) Ob’ektga yo’naltirilgan
c) Tarmoqli
d) Ierarxik
