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| Hibernate - Interview Questions and Answers for 'Accenture' - 5 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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| Ans. 1. EHCache ( Easy Hibernate ) 2. OSCache ( Open Symphony ) 3. Swarm Cache ( JBoss ) 4. Tree Cache ( JBoss ) | ||||
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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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| Ans. JDBC is a standard Java Api for Database communication whereas Hibernate is an ORM framework that uses JDBC to connect with Database. Hibernate is another layer of object table mapping over JDBC that provide a database independent, object oriented and an efficient way of database communication. | ||||
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| Ans. table per hierarchy table per concrete class table per sub class | ||||
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| Discuss Correct / Improve hibernate mapping hibernate associations Asked in 4 Companies | ||||
What is Lazy Initialization in Hibernate ?
