WebSphere Application Server - Express, Version 6.0.x     Operating Systems: AIX, HP-UX, Linux, Solaris, Windows

Database restrictions for EJB query

General database restriction

All of the enterprise beans involved in a given query must map to the same data source. The EJB query does not support cross-data source join operations.

Specific database restrictions

Different database products place different restrictions on elements that can be included in EJB query statements. Following is a list of those restrictions; check with your database administrator to see if any apply in your environment:




Related concepts
EJB query language
EJB query compatibility issues with SQL
Rules for data type manipulation in EJB query

Related tasks
Using EJB query

Concept topic    

Terms of Use | Feedback

Last updated: Jun 8, 2005 12:45:23 PM EDT
http://publib.boulder.ibm.com/infocenter/wasinfo/v6r0/index.jsp?topic=/com.ibm.websphere.express.doc/info/exp/ae/cque_dbrestrict.html

© Copyright IBM Corporation 2002, 2005. All Rights Reserved.
This information center is powered by Eclipse technology. (http://www.eclipse.org)