Constraints in DBMS :Constraints enforce limits to the data or type of data that can be inserted/updated/deleted from a table. The whole purpose of constraints is to maintain the data integrity during an update/delete/insert into a table. In this tutorial we will learn several types of constraints that can be created in RDBMS.Types of constraintsNOT NULLUNIQUEDEFAULTCHECKKey Constraints – PRIMARY KEY, FOREIGN KEYDomain constraintsMapping constraints - Study24x7
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Constraints in DBMS :
Constraints enforce limits to the data or type of data that can be inserted/updated/deleted from a table. The whole purpose of constraints is to maintain the data integrity during an update/delete/insert into a table. In this tutorial we will learn severa...

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