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Hibernate - Interview Questions and Answers for 'Indra' - 2 question(s) found - Order By Newest

Frequently asked question in companies using Hibernate.
  Q1. What is Lazy Initialization in Hibernate ?Hibernate
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Ans. It's a feature to lazily initialize dependencies , relationship and associations from the Database. Any related references marked as @OneToMany or @ManyToMany are loaded lazily i.e when they are accessed and not when the parent is loaded.

  Sample Code for Lazy Initialization

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   Like         Discuss         Correct / Improve     hibernate   lazy loading hibernate   lazy initialization hibernate   architecture     Asked in 77 Companies      Basic        frequent

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Related Questions

  What are the ways to avoid LazyInitializationException ?
  After which Hibernate version , related Entities are initialized lazily ?
 What are the points to be considered if we move from Eager initialization to Lazy Initialization in Hibernate ?
 How does Lazy Initialization helps improving performance of an application ?
 What does the following exception means

org.hibernate.LazyInitializationException: could not initialize proxy - no Session
 If you are given choice to avoid LazyInitializationException using any of the following measures, which are the ones you will choose and why ?

1. Set lazy=false in the hibernate config file.
2. Set @Basic(fetch=FetchType.EAGER) at the mapping.
3. Make sure that we are accessing the dependent objects before closing the session.
4. Force initialization using Hibernate.initialize


Very frequently asked Hibernate interview question. Frequently asked in TCS ( based on 2 feedback )
  Q2. 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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   Like         Discuss         Correct / Improve     hibernate   associations     Asked in 11 Companies        frequent


Related Questions

  What is Lazy Initialization in Hibernate ?
  What are the ways to avoid LazyInitializationException ?
  Difference between first level and second level cache in hibernate ?
  How to configure second level cache in Hibernate ?
  What are the contents of Hibernate configuration file ( hibernate.cfg.xml ) ?
  Which annotations are used in Hibernate ?
  What things you would care about to improve the performance of Application if its identified that its DB communication that needs to be improved ?
  What are the advantages of Hibernate ?
  What is the purpose of dialect configured in Hibernate configuration file ?
  Please specify in what sequence the objects of following classes will be created ?

Session , SessionFactory, Query , Configuration




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