
Ma'lumotlar Bazasi Sinovlari
Authored by Iroda Zikirillayeva
Other
7th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasi nima?
Ma'lumotlar bazasi ma'lumotlarni saqlash va boshqarish tizimi.
Ma'lumotlar bazasi faqat matnli fayllarni saqlaydi.
Ma'lumotlar bazasi faqat vaqtinchalik ma'lumotlarni boshqaradi.
Ma'lumotlar bazasi faqat bir xil turdagi ma'lumotlarni saqlaydi.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasining asosiy komponentlari nimalar?
Ma'lumotlar bazasining zaxira nusxalari
Ma'lumotlar, DBMS, foydalanuvchi interfeysi, ma'lumotlar bazasi strukturalari.
Ma'lumotlar bazasining xavfsizlik tizimi
Ma'lumotlar bazasining foydalanuvchi ro'yxati
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SQL nima va u ma'lumotlar bazasida qanday ishlatiladi?
SQL faqat veb-saytlar uchun dasturlash tilidir.
SQL ma'lumotlar bazasini yaratish uchun ishlatilmaydi.
SQL ma'lumotlar bazasini boshqarish va ma'lumotlarni manipulyatsiya qilish uchun ishlatiladigan standart dasturlash tilidir.
SQL faqat ma'lumotlarni saqlash uchun ishlatiladi.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasida normalizatsiya nima?
Ma'lumotlar bazasida normalizatsiya - faqat ma'lumotlarni saqlash jarayoni.
Ma'lumotlar bazasida normalizatsiya - ma'lumotlarni o'zgartirish va yo'qotish jarayoni.
Ma'lumotlar bazasida normalizatsiya - ma'lumotlarni takrorlanishdan saqlash va bog'lanishlarni yaxshilash jarayoni.
Ma'lumotlar bazasida normalizatsiya - ma'lumotlarni ko'paytirish jarayoni.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasini qanday qilib zaxiralash mumkin?
Ma'lumotlar bazasini zaxiralash uchun faqat serverni qayta ishga tushirish kerak.
Ma'lumotlar bazasini zaxiralash uchun internetga ulanish shart.
Ma'lumotlar bazasini zaxiralash uchun faylni qo'lda nusxalash kerak.
Ma'lumotlar bazasini zaxiralash uchun mysqldump yoki pg_dump kabi vositalardan foydalaning.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasida indekslar nima va ularning foydasi qanday?
Indekslar ma'lumotlar bazasida faqat ma'lumotlarni o'chirish uchun kerak.
Indekslar ma'lumotlar bazasida qidirish va tartiblash jarayonlarini tezlashtiradi.
Indekslar ma'lumotlar bazasida faqat foydalanuvchi ma'lumotlarini ko'rsatadi.
Indekslar ma'lumotlar bazasida faqat ma'lumotlarni saqlash uchun ishlatiladi.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ma'lumotlar bazasida bir nechta jadvallarni qanday bog'lash mumkin?
Jadvallarni bog'lash uchun Excel dasturidan foydalanish mumkin.
SQL da JOIN operatori yordamida jadvallarni bog'lash mumkin.
Ma'lumotlar bazasida jadvallarni bog'lash uchun Python kodini yozish kerak.
Jadvallarni bog'lash uchun HTML dan foydalanish mumkin.
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