CDC Guide for z/OS

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Condense Files

Condense files are created as a part of the condense process in the condense job.

They contain the change data for the active registrations found by the condense job during initialization.

The EXT_CAPT_MASK and CONDF_FULL_FILE_CTL parameters in the CAPTPARM file determine the names of these data sets.

The following table lists the data set type and the format of the data set name for each type of condense file:

Condense File Type	Data Set Type	Format of the Data Set Name
Partial	Variable-blocked sequential	The data set name has the following format: `hlq`.CND.CP`yymmdd`.T`hhmmssn` Where: `hlq` is an EXT_CAPT_MASK value `yymmdd` is a date `hhmmss` is a time `n` is a sequence number, starting at 1, to establish a unique ID
Full	VSAM KSDS	The cluster data set name has the following format: `hlq`.CND.CF`yymmdd`.T`hhmmssn` Where: `hlq` is an EXT_CAPT_MASK value `yymmdd` is a date `hhmmss` is a time `n` is a sequence number, starting at 1, to establish a unique ID

The PowerExchange Listener or a netport job uses the CAPX access method to read condense files. You can use the PowerExchange Navigator to view the data in closed condense files. Run a database row test against the extraction map in the appropriate extraction group.

You can use a variety of methods, including PowerCenter sessions and workflows, to extract and process the condense change data.

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CDC Guide for z/OS

CDC Guide for z/OS

Condense Files

Condense Files