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JPA

Ravi kapa
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Joined: Jan 05, 2012
Posts: 87
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..
James Sutherland
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Joined: Oct 01, 2007
Posts: 553
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.

TopLink : EclipseLink : Book:Java Persistence : Blog:Java Persistence Performance
 
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subject: JPA