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Sasi Kiran Patha
Warnings : 2
New User
Joined: 19 Nov 2006
Posts: 73
Location: Hyederabad
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hi,
Back up of an IMS database is in a flat file.
The flat file is input to a batch program.
The batch program should access a field in say segment A of the hierarchy.
How do we do it? |
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Sandy Zimmer
Active Member
Joined: 13 Jun 2007
Posts: 826
Location: Wilmington, DE
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| Are you writing a new program? What are the requirements? Why are you reading the backup? How often is the IMS database backed up? Is the backup in sync with the live IMS data? |
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Devzee
Active Member
Joined: 20 Jan 2007
Posts: 684
Location: Hollywood
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Do you know how the backup file is created? how the backup format looks like?
If this is IMS database tape backup done using tool like BMC, then I bet you cannot read this file and interpret what segment or data.
If you mean that the backup is actually an image copy with all segments etc.. then also it's not an easy task of reading this flat file directly.
I reckon you should write a DLI program to read your Segment A and required field with SSA which is easier and quicker rather than reading a huge backup file. |
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