Which command is used to retrieve data from a database? MCQ with Answer and Explanation

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Which command is used to retrieve data from a database?

A. DELETE

B. SELECT

C. UPDATE

D. INSERT

Answer: Option B

Solution (By JKSSB Mock Tests)

The SELECT statement is used in SQL to query and retrieve data from tables.

This question belongs to: Computer Database Management System (DBMS)

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Practice More Database Management System (DBMS) Questions

Question #1

Which of the following is a valid SQL numeric function?

A. CEILING

B. ROUND

C. FLOOR

D. All of the above

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Correct Answer: Option D

Explanation:
ROUND, CEILING, and FLOOR are common mathematical functions in SQL.

This question belongs to: Computer Database Management System (DBMS)

Question #2

What is a relation in relational database terms?

A. A row

B. A key

C. A table

D. A column

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Correct Answer: Option C

Explanation:
In the relational model, a relation is a table consisting of rows and columns.

This question belongs to: Computer Database Management System (DBMS)

Question #3

What is the primary difference between data and information?

A. Data refers to hardware, information to software

B. Data is always structured, information is unstructured

C. Data is raw facts, while information is processed data

D. There is no difference between data and information

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Correct Answer: Option C

Explanation:
Data consists of raw, unprocessed facts, whereas information is data that has been processed and given meaning for decision-making.

This question belongs to: Computer Database Management System (DBMS)

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