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Java Persistence with Hibernate
book

Java Persistence with Hibernate

by Gavin King, Christian Bauer
October 2006
Intermediate to advanced content levelIntermediate to advanced
880 pages
22h 11m
English
Manning Publications
Content preview from Java Persistence with Hibernate

12.2. Bulk and batch operations

You use object/relational mapping to move data into the application tier so that you can use an object-oriented programming language to process that data. This is a good strategy if you're implementing a multiuser online transaction processing application, with small to medium size data sets involved in each unit of work.

On the other hand, operations that require massive amounts of data are best not executed in the application tier. You should move the operation closer to the location of the data, rather than the other way round. In an SQL system, the DML statements UPDATE and DELETE execute directly in the database and are often sufficient if you have to implement an operation that involves thousands of rows. ...

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