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VSAM FIlEs in CICS

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kappurajesh
Beginner

Joined: 29 Mar 2004
Posts: 19
Topics: 13
Location: India

Posted: Tue Jun 29, 2004 9:47 pm Post subject: VSAM FIlEs in CICS

what are methods exists to use Vsam files in CICS region. Without registering files in FCT, can we use in Cics regiion

Mike Chantrey
Intermediate

Joined: 10 Sep 2003
Posts: 234
Topics: 1
Location: Wansford

Posted: Wed Jun 30, 2004 6:37 am Post subject:

Quote:

what are methods exists to use Vsam files in CICS region.

The main commands for accessing/updating VSAM files in a CICS program are:
EXEC CICS READ, WRITE, REWRITE, DELETE, UNLOCK, STARTBR, ENDBR
which are all described in the "CICS application programming reference" manual available via the manuals link on this board's front page

Quote:

Without registering files in FCT, can we use in Cics regiion

All VSAM files in CICS need to be accessed via an FCT entry. This entry can be created as follows:
MACRO FCT definition (old CICS releases only)
CEDA FILE definition
or dynamically via
EXEC CICS CREATE FILE command

However, an FCT entry created by any of these methods can also be dynamcially switched to point to any VSAM file using EXEC CICS SET FILE so one 'dummy' FCT entry can be used to access many files if necessary.
You may be restricted by security settings as to which files you can access from the CICS service.

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