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Use of DLI functions CHANGE ?


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Payilagam Chennai

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Joined: 28 Oct 2013
Posts: 1
Location: India

PostPosted: Wed Jan 01, 2014 9:24 pm
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Can any please tell me the use of DLI functions CHANGE and PURGE in IMS?

Thanks
Payilagam
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Nic Clouston

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Joined: 10 May 2007
Posts: 2455
Location: Hampshire, UK

PostPosted: Thu Jan 02, 2014 6:59 am
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Why not try reading the manual? Come back with specific questions if there is something you read that you do not understand.
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dick scherrer

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Joined: 23 Nov 2006
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Location: Inside the Matrix

PostPosted: Thu Jan 02, 2014 6:58 pm
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Hello and welcome to the forum,

It is best to ask more specific quewstions rather than overview questions that should be readily be availoable in the documentation.

To ease your search, we have a link to IBM Manuals at the top of the page. IMS documentation is available there.

Do you have something "to do " or is this just curiosity?
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pmartyn

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Joined: 28 Feb 2013
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Location: USA

PostPosted: Tue Apr 29, 2014 8:57 am
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You must be new to the IMS DC world. The boys were right in sending you to the manuals. There is a lot to learn. The manuals will tell you what they are. However what they may not tell you is that the use of PURG is discouraged except for special circumstances. What it does is it explicitly tells IMS to transmit all pending message segments rather than letting the program end normally or issuing an additional GU call on the IO PCB.
I would not code this into a program without getting approval. Letting IMS do its job in a normal fashion is desirable for maintenance purposes if nothing else.
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