key constraints

Brainless answered on June 19, 2022 Popularity 8/10 Helpfulness 1/10

answer key constraints

key constraints

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Key constraints in dbms are set of rules that are defined for primary key
in dbms. Reliable databases ensure that constraints are always valid.
To ensure that data integrity is maintained in the database, constraints 
are used.

The main purpose of it to prevent duplicate value of primary key

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Contributed on Jun 19 2022

Brainless

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