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Hibernate - Interview Questions and Answers for 'Hibernate entity' - 1 question(s) found - Order By Newest

 Q1. Can we have an entity in hibernate without primary Key ?Hibernate
Ans. No, Every entity in hibernate needs to have a key, either primary or composite.

If we dont have a primary key on table, there are various ways this problem can be countered.

1. By using composite key on entity ( make sure that the appropriate unique constraint in defined on columns in Database )

2. By mapping Id in entity to ROWID of table.

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