Which of the constraint can be enforced one per table?

SQL Server - Quiz(MCQ)

Check constraint

Not Null constraint

Foreign Key constraint

Primary key constraint

Correct Answer : Primary key constraint

Explanation : Each table is having only one primary key constraint and it contains only unique values.

Recently Updated in SQL Server Questions

Which of the following system database occupies more space and memory?

Msdb

Model

Master

Tempdb

Correct Answer : Master

Explanation : The master database records all of the system level information for a SQL Server system.

Which database is used as template for all databases?

Master

Tempdb

Northwind

Model

Correct Answer : Model

Explanation : When a CREATE DATABASE statement is issued, the first part of the database is created by copying in the contents of the model database.

Which of the following database is used by SQL Server Agent?

Pubs

Msdb

Model

Tempdb

Correct Answer : Msdb

Explanation : The msdb database is used by SQL Server Agent for scheduling alerts and jobs, and recording operators.

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