What are Constraints in SQL?

Anonymous User 1000 16 Sep 2019

Ask by Anonymous User

Updated 14 Sep 2020

1 Answers

Anonymous User 16 Sep 2019

Those constraints are used to specify the limit on the data type of the table. That can be specified while creating or altering the table statement. The sample of constraints are:

NOT NULL
CHECK
DEFAULT
UNIQUE
PRIMARY KEY
FOREIGN KEY

Markdown for AI

A clean, structured version of this page for AI assistants and LLMs.

Open .md

interview

What are Constraints in SQL?

Can you answer this question?

1 Answers