In the context of databases, what is a 'tuple'? MCQ with Answer and Explanation

Question

Share Report Error

In the context of databases, what is a 'tuple'?

A. A column of a table

B. A table itself

C. A row of a table

D. A key constraint

Answer: Option C

Solution (By JKSSB Mock Tests)

In relational databases, a tuple is a single row or record of a table.

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

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Database Management System (DBMS) Questions

Question #1

Which SQL keyword is used to give users permission to access database objects?

A. ASSIGN

B. GRANT

C. REVOKE

D. PERMIT

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
GRANT is a DCL command used to assign privileges to users.

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

Question #2

Which of the following is a logical data model?

A. Both A and C

B. Physical model

C. Relational model

D. Hierarchical model

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Logical data models include relational, hierarchical, and network models. Physical models describe storage details.

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

Question #3

Which SQL keyword is placed immediately inside a SELECT statement or an aggregate function to eliminate duplicate rows from the output?

A. UNIQUE

B. DISTINCT

C. DIFFERENT

D. SINGLE

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
The DISTINCT keyword is used to remove all duplicate values or records from the output of an SQL SELECT query.

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

Explore All Database Management System (DBMS) MCQs