Ierarxik ma'lumotlar bazasi modeli qanday tashkil etiladi?

Ma'lumotlar Bazasi Modelleri

Quiz
•
Computers
•
9th Grade
•
Hard
Ozodbek Teacher
Used 9+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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