Основы SQL: Запись запросов

Основы SQL: Запись запросов

12th Grade

20 Qs

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Основы SQL: Запись запросов

Основы SQL: Запись запросов

Assessment

Quiz

Computers

12th Grade

Practice Problem

Hard

Created by

Dilyara Nugmanova

FREE Resource

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20 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

SQL дегеніміз не?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

SQL синтаксисінің негізгі элементтері қандай?

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Кестеден деректерді қалай таңдау керек?

SELECT имя, возраст FROM сотрудники;

SELECT * FROM сотрудники;

SELECT имя FROM сотрудники WHERE возраст > 30;

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Деректерді қалай сүзуге болады?

SELECT имя, возраст FROM сотрудники WHERE возраст > 30;

SELECT имя, возраст FROM сотрудники;

SELECT * FROM сотрудники WHERE имя = 'Алексей';

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Деректерді қалай сұрыптауға болады?

SELECT имя, возраст FROM сотрудники ORDER BY возраст DESC;

SELECT * FROM сотрудники ORDER BY имя ASC;

SELECT имя FROM сотрудники ORDER BY возраст;

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қайтарылатын деректер санын қалай шектеуге болады?

SELECT имя FROM сотрудники LIMIT 5;

SELECT * FROM сотрудники LIMIT 10;

SELECT имя, возраст FROM сотрудники LIMIT 3;

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Деректерді қалай топтастыруға болады?

SELECT бөлім, COUNT(*) FROM қызметкерлер GROUP BY бөлім;

SELECT * FROM қызметкерлер GROUP BY аты;

SELECT аты, COUNT(*) FROM қызметкерлер GROUP BY жас;

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