Explain various types of constraints with an example.

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written 9.4 years ago by

teamques10 ★ 70k

modified 3.8 years ago by

sagarkolekar ★ 11k

database management systems

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925views

written 9.4 years ago by

teamques10 ★ 70k

SQL constraints are used to specify rules for the data in a table. If there is any violation between the constraint and the data action, the action is aborted by the constraint.

Constraints can be specified when the table is created (inside the CREATE TABLE statement) or after the table …

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