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1-mavzu. Ma’lumotlar bazasiga kirish va Relyatsion model asoslar

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Ma’lumotlar bazasi (MB) nima?

a)

Tartiblangan ma’lumotlar majmuasi

b)

Oddiy matnli fayl

c)

Fayl asosidagi ma’lumotlar

d)

O‘zgarmas ma’lumotlar

2.

PostgreSQL dasturida jadval yaratish uchun qanday buyruq ishlatiladi?

a)

INSERT INTO

b)

CREATE TABLE

c)

SELECT

d)

DROP TABLE

3.

Ma’lumotni ko‘rish uchun qanday buyruq ishlatiladi?

a)

DELETE FROM

b)

UPDATE

c)

SELECT

d)

INSERT INTO

4.

Ma’lumotlar bazasi bilan ishlash dasturlarini ko‘rsating?

a)

PostgreSQL

b)

MySQL

c)

Oracle

d)

Access

5.

SQL -bu ...

a)

Structured Query Language

b)

Standard Question Language

c)

Structured Question Languages

d)

Sorted Query Language

6.

Relatsion ma’lumotlar bazasi qanday asosga qurilgan?

a)

Daraxt strukturasiga

b)

Jadvallar asosida

c)

Ob’ektlar o‘rtasidagi bog‘lanishlarga

d)

Blok-zanjir texnologiyasiga

7.

SQL dasturlash tili hisoblanadimi?

a)

ha

b)

yo'q

8.

SQL danqay til?

a)

so'rovlar tili

b)

dasturlash tili

c)

noaqniq til

d)

bajariluvchi til

9.

psql nima?

a)

interaktiv buyruq qatori interfeysi

b)

suniy intellekt

c)

dasturlash tili

d)

personal so'rovlar tili

10.

Mantiqiy savol?

a)

15

b)

53

c)

72

d)

36

11.

1-b, 2-i, 3-u, 4-t, 5-b. Siz qolgan beshta harfni yozib bering.

a)

6-o, 7-y, 8-s, 9-t, 10-aa

b)

6-o, 7-y, 8-s, 9-t, 10-o’s

c)

6-o, 7-y, 8-s, 9-t, 10-o’

d)

6-o, 7-yb, 8-sa, 9-tb, 10-o’

12.

Dunyodagi birinchi kompyuter sichqonchasi nimadan ishlab chiqarilgan?

a)

yog'ochdan

b)

temirdan

c)

loydan

d)

bug'doydan

13.

Ushbu jadvalda nechta ustin bor? Javobga son qiymat kiriting.

(a)  

14.

Ushbu jadvalda qaysi ustinga matnli qiymat kiritiladi? Javob kichik harflarda.

(a)  

15.

SQL tilida ma'lumot kiritish operatorini ko'rsating?

a)

INSERT INTO

b)

CREATE TABLE

c)

SELECT

d)

DROP TABLE