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| Hibernate - Interview Questions and Answers for 'Tcs' - 8 question(s) found - Order By Newest | |||||||||||
 Frequently asked question in companies using 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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 Discuss Correct / Improve  hibernate lazy loading hibernate lazy initialization hibernate architecture  Asked in 77 Companies  Basic  frequent | |||||||||||
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| Frequently asked question in companies using hibernate. | |||||||||||
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| Ans. 1. First level cache is enabled by default whereas Second level cache needs to be enabled explicitly. 2. First level Cache came with Hibernate 1.0 whereas Second level cache came with Hibernate 3.0. 3. First level Cache is Session specific whereas Second level cache is shared by sessions that is why First level cache is considered local and second level cache is considered global. | |||||||||||
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| Discuss Correct / Improve hibernate orm hibernate cache architecture technical lead first level cache vs second level cache Asked in 18 Companies Intermediate frequent | |||||||||||
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| Ans. HBM Files ( Mapping ) DB Connection ( DB Connection String , User Name , Password , Pool Size ) SQL Dialect ( SQL variant to be generated ) Show SQL ( Show / No show SQL on Console ) Auto Commit ( True / False ) | |||||||||||
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| Discuss Correct / Improve hibernate configuration barclays Asked in 11 Companies | |||||||||||
| Very frequently asked Hibernate interview question. Frequently asked in TCS ( based on 2 feedback ) | |||||||||||
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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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| Discuss Correct / Improve hibernate associations Asked in 11 Companies frequent | |||||||||||
| Very frequently asked if being interviewed for hibernate. Frequently asked in Tata Consultancy (TCS) and Overstock.com | |||||||||||
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| Ans. If id doesnt exist in the DB load throws an exception whereas get returns null in that case.get makes the call to DB immediately whereas load makes the call to proxy. | |||||||||||
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| Discuss Correct / Improve hibernate Asked in 16 Companies basic frequent | |||||||||||
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| Ans. Lazy fetching is the technique of not loading the child objects when parent objects are loaded. By default Hibernate does not load child objects. One can specify whether to load them or not while doing the association. | |||||||||||
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| Discuss Correct / Improve hibernate lazy fetching architecture Asked in 11 Companies frequent | |||||||||||
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| Ans. Criteria is a simplified API for retrieving entities by composing Criterion objects. For example - session.createCriteria(Employee.class).add( Restrictions.like("name", "A%") ).list(); will return all employee objects having name starting with A. | |||||||||||
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| Discuss Correct / Improve hibernate hibernate criteria Asked in 7 Companies Basic Frequent | |||||||||||
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| This question was recently asked at 'Tata Consultancy (TCS)'.This question is still unanswered. Can you please provide an answer. | |||||||||||
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| Discuss Correct / Improve hibernate versioning Asked in 1 Companies | |||||||||||
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What is Lazy Initialization in Hibernate ?
