Home / Tag Archives: Constraint

Tag Archives: Constraint

Guide about Database Constraints

Constraints

Database Constraints: Constraint is the rules/conditions imposed on the columns & tables to maintain the data integrity of the database. Constraints are of 2 types, Declarative Integrity Constraint: These constraints can be imposed at the time of table or column creation. Procedural Integrity Constraint: These constraints cannot be imposed at ...

Read More »