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What is the difference Between PSB and PCB?

 
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vijayakumar.yellala

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Joined: 19 Apr 2006
Posts: 63
Location: Chennai

PostPosted: Thu May 03, 2007 7:02 pm    Post subject: What is the difference Between PSB and PCB?
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Hi Friends,

I am new to IMS, I have doubt, What is the difference between PSB & PCB? AND how to create PSB's? .... and how to submit IMS - COBOL Program?

Regards
Vijay
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Devzee

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Joined: 20 Jan 2007
Posts: 684
Location: Hollywood

PostPosted: Fri May 04, 2007 9:42 am    Post subject:
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PSB- Program Specification Block. This is defined external to program and is required for IMS program.
For IMS DB program this has definition which tells what the program can operate and what segments/ fields the program can use.
For IMS DC program this has TP which is to read/write IO messages.

PCB - This is Program communication block which is defined in Linkage of COBOL program. (This can be in any language like Pl1 Easytrieve etc)
It has different PCB masks for each Database and TP which are defined in the PSB of the related program.

IMS COBOL Batch program can be executed via Batch JCL.

This explanation is in short, you can refer to manuals for further info.

To create PSB refer to below url:

http://www.ibmmainframes.com/viewtopic.php?t=18515
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vijayakumar.yellala

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Joined: 19 Apr 2006
Posts: 63
Location: Chennai

PostPosted: Mon May 07, 2007 5:04 pm    Post subject: Re: What is the difference Between PSB and PCB?
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Thanks Dev....
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Bitneuker

CICS Moderator


Joined: 07 Nov 2005
Posts: 1105
Location: The Netherlands at Hole 19

PostPosted: Wed May 09, 2007 1:31 am    Post subject:
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@Devzee: nice link icon_wink.gif
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