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What are Strong and Weak Entity Sets in DBMS and Write Difference between them.
written 7.1 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.3k modified 4.0 years ago by gravatar for binitamayekar binitamayekar ★ 6.7k
database management systems
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written 7.1 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.3k

The entity set which does not have sufficient attributes to form a primary key is called as Weak entity set.

An entity set that has a primary key is called as Strong entity set.

Consider an entity set Payment which has three attributes: payment_number, payment_date and payment_amount. Although each payment …

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