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Difference bw IMS Online and Batch Programs

 
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sam william
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Joined: 05 Feb 2006
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PostPosted: Thu Jul 06, 2006 10:59 pm    Post subject: Difference bw IMS Online and Batch Programs
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KINDLY CAN SOME ONE TELL THE WAYS BY WHICH WE CAN Differentiate
DIFFERENTIATE AN IMS ONLINE PROGRAM FROM AN IMS BATCH PROGRAM IN DETAIL.

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seshu37

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PostPosted: Mon Jul 10, 2006 2:49 pm    Post subject: Re: DIFFERENCE BETWEEN IMS ONLINE AND BATCH PROGRAM
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If Entry statement was given in call statement then it is Batch program.

Let me know if u have any doubts.
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joseph13

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PostPosted: Mon Aug 14, 2006 5:23 pm    Post subject:
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online:

program is invoked by the ims scheduler when the corresponding mess queue gets populated

transactions are read from message queues (transaction is normally the input which are entered at the terminals)

output send to terminals

batch:


program is invoked by the operator(using jcls)

input read from files

output is written into files( eg. reports)
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gautam79

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PostPosted: Wed Aug 30, 2006 11:33 am    Post subject: Re: DIFFERENCE BETWEEN IMS ONLINE AND BATCH PROGRAM
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Another easy way might be just to have a look at the PSB for each of them.

Online would contain TP PCB as the first PCB in PSB
Batch program will contain Database PCB's. Also it will contain GSAM PCB's what you may not find in Online PSB.

Even the entry statement in program will tell you whether its online or batch. If it contains more than one TP PCB, it is Online else it should be a batch program
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PascalQ

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PostPosted: Mon Sep 11, 2006 7:46 pm    Post subject: Re: DIFFERENCE BETWEEN IMS ONLINE AND BATCH PROGRAM
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gautam79 wrote:
Another easy way might be just to have a look at the PSB for each of them.

Online would contain TP PCB as the first PCB in PSB
Batch program will contain Database PCB's.


Dangerous to distinguish BMP from MPP this way. A batch program may send messages and therefore have TP PCBs as well.
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