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Deleting and Inserting an IMS Segment, Partitioning in IMS

 
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mohammad amir ashraff

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PostPosted: Thu Jun 06, 2013 3:03 pm    Post subject: Deleting and Inserting an IMS Segment, Partitioning in IMS
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Deleting an IMS Segment

Question - When I issue a DLET call to delete a dependent segment, does the Prefix and Data portion of the segment (both) get deleted ? or the Prefix part that contains the Delete byte remain physically present in the file to indicate the deletion of the Data part of the segment ?

Inserting an IMS Segment

Question - When I insert an IMS segment, does the Prefix and Data portion (both) get inserted into an available freespace or only the Data portion is inserted and the Prefix portion is updated ?

Partitioning of Databases

Question - How do I identify whether an IMS database is partitioned other than searching for the prefix "P" with HIDAM or HDAM in the DBD ? Does partitioning create separate physical files ?
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Nic Clouston

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PostPosted: Thu Jun 06, 2013 5:45 pm    Post subject:
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1 question 1 topic
Now the answer is "perhaps"
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Ed Goodman

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PostPosted: Thu Jun 06, 2013 6:59 pm    Post subject:
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Partitioning does create separate physical files. I don't know if the naming convention here the normal standard or if it's left to the client to pick one.

I've never heard of prefix/data connected with IMS. That sound more like IDMS or something like that. I know an application can't access the different pieces. You delete a segment, it's gone. You insert one and it's there.

Granted, I have shallow experience with IMS, but that's new to me.
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mohammad amir ashraff

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PostPosted: Fri Jun 07, 2013 12:07 pm    Post subject:
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Bitneuker ur thoughts ?
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Bill Woodger

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PostPosted: Fri Jun 07, 2013 12:28 pm    Post subject: Reply to: Deleting and Inserting an IMS Segment, Partitionin
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Quite apart from it being a bad idea to solicit responses from named individuals, it is an even worse idea if the solicited haven't made a posting for nearly five years.
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mohammad amir ashraff

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PostPosted: Fri Jun 07, 2013 7:14 pm    Post subject:
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Could anyone please answer my Questions above ?
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enrico-sorichetti

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PostPosted: Fri Jun 07, 2013 7:36 pm    Post subject: Reply to: Deleting and Inserting an IMS Segment, Partitionin
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Quote:
Could anyone please answer my Questions above ?


remember ...
people replying do it
on their own time, free of charge
interest and clearness of the question asked

and frankly Your questions are not clear at all

but why not google Yourself for IMS SEGMENT PREFIX
before complaining look at my signature icon_cool.gif
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mohammad amir ashraff

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PostPosted: Thu Jun 13, 2013 3:08 pm    Post subject:
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If I had got the info I would not have posted the question on this forum.
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enrico-sorichetti

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PostPosted: Thu Jun 13, 2013 3:49 pm    Post subject: Reply to: Deleting and Inserting an IMS Segment, Partitionin
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Quote:
If I had got the info I would not have posted the question on this forum.

if You had searched with the tokens I posted You would have found out Yourself icon_cool.gif
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