Ma'lumotlar Bazasi Modelleri

Ma'lumotlar Bazasi Modelleri

9th Grade

15 Qs

quiz-placeholder

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Ma'lumotlar Bazasi Modelleri

Ma'lumotlar Bazasi Modelleri

Assessment

Quiz

Computers

9th Grade

Hard

Created by

Ozodbek Teacher

Used 9+ times

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15 questions

Show all answers

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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