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SQL Заявки - Упражнение

Froggy Jumps

Played 43

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Изготвил: Мартин Кейбашиев

Created by

Bulgaria

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SQL Заявки - Упражнение
 

Froggy Jumps

SQL Заявки - УпражнениеOnline version

Изготвил: Мартин Кейбашиев

by Мартин Кейбашиев
1

Коя команда се използва за създаване на нова таблица?

2

Коя част от SQL представя условието за записите?

3

Какво е вярно за INNER JOIN?

4

За какво се използва GROUP BY?

5

Каква е правилната команда за INSERT INTO?

6

Какво прави DELETE FROM Clients?

7

Коя команда актуализира стойности в таблица?

8

Какво връща вложена заявка (subquery) в WHERE?

9

Какви са правилата за ORDER BY?

10

Какво трябва да съдържа ON за JOIN конструкцията?

11

Какви функции се използват в SELECT за суми и броя?

12

Какво е вярно за PRIMARY KEY?

13

За какво най-често се използва вложена заявка (subquery) в клаузата WHERE?

14

Какво представлява подзаявката, поставена в клаузата FROM?

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