ODBM and ODBA

The Open Database Manager (ODBM) supports and uses the Open Database Access (ODBA) interface.

ODBM uses the ODBA interface to communicate with IMS. Many of the parameters in the ODBM CSLDCxxx configuration PROCLIB member are the same as those used by ODBA in the DFSxxxx0 startup table that is built from the DFSPRP macro parameters.

Because ODBM uses ODBA, ODBA application servers, such as Db2 for z/OS® or WebSphere® Application Server for z/OS can be configured to connect to IMS through ODBM instead of through ODBA. Connecting through ODBM prevents a U0113 abend from occurring if a DB2® stored procedure or WebSphere Application Server application program terminates unexpectedly during DL/I processing.

Configuring an ODBA application server to use ODBM does not require any changes to existing application programs that run under the ODBA application server.