Hibernate - Interview Questions and Answers for 'Associations' | Search Java Interview Question

Hibernate - Interview Questions and Answers for 'Associations' - 5 question(s) found - Order By Newest

Very frequently asked Hibernate interview question. Frequently asked in TCS ( based on 2 feedback )

Q1. What are different types of associations in Hibernate ?

Hibernate

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Ans. There are 4 types of associations in Hibernate

One to One
One to Many
Many to One
Many to Many

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Q2. What is cascade ?

Hibernate

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Ans. Instead of Saving Parent as well as Child Entities individually , Hibernate provides the option to persist / delete the related entities when the Parent is persisted.

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Q3. Which type of associated Entities are Eagerly loaded by Default ?

Hibernate

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Ans. OneToOne

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Q4. How are the concept of Association related to Composition and Inheritance ?

Core Java

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Ans. Composition and Inheritance are the different types of Associations for Classes.

Composition is a has-a association between classes.
Inheritance is a is-a association between classes.

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Q5. Explain different inheritance mapping strategies with JPA / Hibernate.

Hibernate

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