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Diskda saqlanadigan fayllar katologi Ma`lumotlar bazasi-bu
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| bet | 19/27 | | Sana | 12.01.2024 | | Hajmi | 82,83 Kb. | | #135867 |
Bog'liq Diskda saqlanadigan fayllar katologi-fayllar.orgb) SELECT * FROM Talaba;
c) SELECT ism, familya FROM TALABA;
d) SELECT * FROM TALABA WHERE ISM {=’ISLOM’;
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Quyidagi javoblardan qaysi birida malumotlar bazasini boshqarish tizimlari to’g’ri
ko’rsatilgan
a) Access,Paint,Corel Draw,Word,Excel;
b) Word,Access,Paint,Excel,FoxPro,PowePoint;
c) Adobe Photoshop,Paint,FoxPro,Macromedia Flash;
d) Paradox,Access,dBase,FoxPro,Clipper;
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Malumotlar bazasi
Malumotlar bazasining arxitekturasi necha qismga bo’linadi?
a) 1
b) 2
c) 3
d) 4
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Foydalanuvchi ma’lumotlar bazasi bilan qaysi rejimda ishlaydi?
a) Berilgan
b) Ekspluatatsion
c) Loyihaviy
d) Havaskor
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CASE amali nima uchun ishlatiladi?
a) Joriy sanani qaytarish uchun;
b) Ikki satrni tutashtirish uchun;
c) Shart bo’yicha bir nechta amalni tanlash uchun;
d) Satrdagi kata harflarni kichik harfga o’tkazish uchun;
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Insekslar malumotlar bazasida nima uchun ishlatiladi;
a) Jadvalga yangi ustun kiritish uchun;
b) Kelishuv qiymatlarini o’chirish uchun;
c) Jadvaldan ustunni o’chirish uchun;
d) Jadval satrini tezkor qidirish uchun;
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POSITION funksiyasining vazifasi nima?
a) Ikki satrni tutashtirish.
b) Bir satrni boshqa satrdagi joyini aniqlaydi;
c) Satrdan satr ostini ajratish uchun ishlatiladi
d) Shart bo’yicha bir nechta qiymatni tanlash;
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