SQL Quiz

SQL Quiz

University

10 Qs

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SQL Quiz

SQL Quiz

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Hard

Created by

Dr. Hazirah Bee Binti Yusof Ali

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AI

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does SQL stand for?

Structured Question Language

Standard Query Language

Simple Query Language

Structured Query Language

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command is used to add data to a table in SQL?

UPDATE

INSERT

SELECT

DELETE

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the COMMIT command in SQL?

To delete data from a table

To save changes made to the database

To retrieve data from a table

To create a new table

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a data manipulation command in SQL?

CREATE

INSERT

ALTER

DROP

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the NOT NULL constraint do?

Allows null values in a column

Assigns a default value to a column

Ensures all values in a column are unique

Ensures that a column does not accept nulls

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL command is used to remove a table from a database?

REMOVE

CLEAR

DROP

DELETE

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a primary key in a database?

A key that allows duplicate values

A key used for indexing

A key that can be null

A unique identifier for a record in a table

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