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Hibernate - Interview Questions and Answers for 'Oracle' - 4 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     overstock.com  BridgePoint Technologies  Medgate  Dex Media  Diversant  Tieto  Oracle  Bank of America Merrill LYNCH  NEC Japan  HCL Technologies  Deloitte  Accenture  Infosys  Tata Consultancy (TCS)  Luxoft  Nvidia      Basic        frequent

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Very frequently asked if being interviewed for hibernate. Frequently asked in Tata Consultancy (TCS) and Overstock.com
  Q2. Difference between load and get ?Hibernate
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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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   Like      Discuss      Correct / Improve     hibernate     Overstock.com  Nagarro  Anthem  Tata Consultancy (TCS)  Nucleus Software Exports  CDK Global  Dell  Capgemini  Persistent Systems  HCL Technologies  Nagarro  Sears  CDK Global  Oracle  Nucleus Software Exports  CACI International      basic        frequent


 Q3. Difference between JDBC and Hibernate ?Database2016-12-06 09:57:14

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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   Like      Discuss      Correct / Improve     JDBC  Hibernate  JDBC vs Hibernate     CapTech  Oracle Argentina


 Q4. What is the difference between JDBC, Hibernate and ODBC ?Database2017-06-18 17:52:39

 This question was recently asked at 'Oracle Argentina'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     jdbc  odbc  hibernate  jdbc vc odbc  jdbc vs hibernate     Oracle Argentina




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