February 2006
Intermediate to advanced
538 pages
18h 22m
English
book
IMS Connectivity in an On Demand Environment: A Practical Guide to IMS Connectivity
by Jouko Jantti, Jordi Guillaumes i Pons, Gen Sasaki, Egide Van Aerschot, Andres Wolf Andreoni
Content preview from IMS Connectivity in an On Demand Environment: A Practical Guide to IMS Connectivity
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360 IMS Connectivity in an On Demand Environment: A Practical Guide to IMS Connectivity
19.1 Accessing IMS databases through the ODBA
ODBA uses the IMS database resource adapter (DRA) function to establish a connection to
the IMS subsystem specified by IMSID or DBCTLID coded in the DRA startup table. ODBA
consists of a startup table for each IMS system and a group of modules that make up the
ODBA callable interface.
The DRA startup table specifies how to connect to a particular IMS subsystem, such as the
subsystem name and the number of threads allowed.
The ODBA callable interface modules manage threads connecting an ODBA application to an
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