This week's book giveaway is in the Agile and Other Processes forum.
We're giving away four copies of Real-World Software Development: A Project-Driven Guide to Fundamentals in Java and have Dr. Raoul-Gabriel Urma & Richard Warburton on-line!
See this thread for details.
Win a copy of Real-World Software Development: A Project-Driven Guide to Fundamentals in Java this week in the Agile and Other Processes forum!
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JPA

 
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Hi i am learning JPA and i have basic doubt about why we go for JPA and what is the difference between rdbms and odbms.can anyone give some example so that i can understand easily..
 
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See,

http://en.wikibooks.org/wiki/Java_Persistence/Why_use_JPA_or_ORM%3F

In general RDBMS are much (much, much) more used than ODBMS. Even with an ODBMS you would still want a standard API to access it, and some ODBMS's also use JPA as there API.
 
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