Relational Integrity Constraints And Key Constraints In DBMS Explain

Relational Integrity Constraints And Key Constraints In DBMS Explain, DBMS Key Constraints 

Relational Integrity Constraints

Constraints are the rules applied on the attribute.

Constraints on the relation are the constraints on the attributes of that relation.

There are three main types of constraints:

Key constraints

Entity integrity constraints

Referential integrity constraints


Key Constraints:
Candidate  key
Primary key
Alternate key
Super key

Tweet