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d) DDL #111===========================================================


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d) DDL
#111===========================================================

Malumotlar bazasi
<> turidagi maydonning xususiyati?
a) Cheklangan o’lchovga ega
b) Avtomatik ko’payish xusiyatiga ega
c) Sonli malumotlarni kiritish uchun xizmat qiladi
d) Haqiqiy sonlarni kiritish uchun xizmat qiladi
#112===========================================================
Modullar nimaga mo’ljallangan?
a) Malumotlar bazasini saqlash uchun;
b) Malumotlar bazasini tanlash va qayta ishlash uchun
c) Murakkab dasturiy harakatlarni bajarish uchun
d) Malumotlarni kiritish uchun
#113===========================================================
SELECT * FROM Talaba where yoshi IN (25,27)
a) Yoshi 25 va 27 oralig’ida bomagan talabalar
b) Yoshi 25 va 27 ga teng bo’lmagan talabalar
c) Yoshi 25 va 27 oralig’ida bo’lgan talabalar
d) Yoshi 25 va 27 ga teng bo’lgan talabalar
#114==============================================================
Malumotlar bazasining qaysi modeli quyi pog’onasidagi elementlari uning yuqori
pog’onasidagiga elementlariga bo’ysunish g’oyasiga asoslangan
a) Relyatsion
b) Ierarxik

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