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#1: Format of IMS X'99' Log record Author: Suchay,

Posted: Wed Feb 07, 2024 11:28 am
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Hello,

We are working on capturing data changes in IMS DB. We have to read IMS X'99' Logs for extracting the changes. We are looking for the sample format of X'99' record to understand layout, since we couldn't find the information from web.

Also, appreciate any insights on how to read the CDC from X'99' Logs.

Thanks in advance.

#2: Author: kolusu, Location: San Jose

Posted: Wed Feb 07, 2024 3:11 pm
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Suchay,

The log type record X'99' is mapped by the macro, DFSDXBLK, which is not shipped.

Code:

X'99' DFSDXBLK DFSDXBLK Created by the logging option on the EXIT= parameter on the DBDGEN. This allows a user to capture database changes that can then be propagated to another environment (for example, Db2 for z/OS). The subcodes indicate the type of record being logged:

X'04'
Changed data
X'28'
End of job (EOJ)
X'30'
SETS call
X'34'
ROLS call

You can find the above information here
https://www.ibm.com/docs/en/ims/15.1.0?topic=aids-log-records

#3: Author: Suchay,

Posted: Thu Feb 08, 2024 11:01 pm
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Thank you kolusu

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