JCL Considerations

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JCL Considerations

When you submit a VALIDATE statement through the batch command facility, the JCL to execute the facility must include statements to define the following:

Dictionary containing table definitions
Files containing the areas associated with the referencing tables to be processed
Intermediate work files
Sort work files are needed if doing a complete VALIDATE

Sorting intermediate work files

If you run the validate process in steps or phases, use the sort parameters in the SYSPCH file to sort the intermediate files.

The following table shows the output of the steps of the VALIDATE process:

Step	Output	Size
STEP1	SYS003	For each record: (MAX SORT CONTROL KEY SIZE) + (MAX FOREIGN KEY SIZE) + 24
	SYSPCH contains sort parameters	80 bytes
STEP2	SYS003	For each record: (MAX SORT CONTROL KEY SIZE) + (MAX FOREIGN KEY SIZE) + 24
	SYSPCH contains sort parameters	80 bytes

Note: For more information about the generic JCL used to execute the batch command facility, see the chapter specific to your operating system.