
Ma'lumotlar Bazasi Modelleri
Quiz
•
Computers
•
9th Grade
•
Practice Problem
•
Hard
Ozodbek Teacher
Used 10+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ierarxik ma'lumotlar bazasi modeli qanday tashkil etiladi?
Ma'lumotlar daraxt shaklida tashkil etiladi
Ma'lumotlar jadval shaklida tashkil etiladi
Ma'lumotlar grafik shaklida tashkil etiladi
Ma'lumotlar vaqt jadvali bo'yicha tashkil etiladi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tizimli ma'lumotlar bazasi modelida ma'lumotlar qanday bog'lanadi?
Ob'ektlar orasidagi ko'p-to-ko'p munosabatlar
Faqat bitta-to-ko'p munosabatlar
Daraxt tuzilmasi bo'yicha
Ma'lumotlar bloklarida saqlanadi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Relatsion ma'lumotlar bazasida ma'lumotlar qanday ko'rinishda saqlanadi?
Graflar ko'rinishida
Jadval ko'rinishida
Faqat bog'lanishlar orqali
Ma'lumotlar fayl ko'rinishida
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ierarxik modelning asosiy kamchiligi nima?
Ma'lumotlarni qo'shish va o'chirish qiyin
Jadval tuzilmasi mavjud emas
Ko'p-to-ko'p munosabatlarni qo'llab-quvvatlamaydi
Ma'lumotlar avtomatik ravishda yangilanadi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tizimli modelda ma'lumotlar bazasining tuzilmasi qaysi variantga mos keladi?
Daraxt tuzilmasi
Grafik tuzilmasi
Kvadrat shakli
Zanjir tuzilmasi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Relatsion ma'lumotlar bazasida "kalit" nima vazifani bajaradi?
Ma'lumotlarni yangilaydi
Ma'lumotlarni bog'laydi
Ma'lumotlarni saqlaydi
Ma'lumotlarni ko'chiradi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ierarxik ma'lumotlar bazasida har bir tugun nima bilan bog'liq bo'ladi?
Bir nechta tugunlar bilan
Faqat bitta ota tugun bilan
Hamma tugunlar bilan
Hech bir tugun bilan bog'lanmaydi
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