Java Persistence

[guru_subramanianb]

Hi,

Can anyone tell me what is major difference between SQLJ and JDO where and when to use them in terms of Performance and Persitence orientation?

Thanks,

Guru

[Former Member]

Hi Guru,

please take a look at the documentation which contains a lot of information about Java Persistence (http://help.sap.com/saphelp_nw04/helpdata/en/21/82a9058fa8de46b1ba7522289345b2/frameset.htm > Developing Business Logic > Java Persistence).

To give you a first hint: SQLJ belongs to the area of relational persistence and you have to write SQL statements into your code whereas JDO is object-relational and offers more transparency for the developer.

BR

Daniel