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Db2 for z/OS Utilities in Practice by Hendrik Mynhardt, Craig Friske

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Db2 DSNZPARMs for utilities
There are many Db2 subsystem parameters, DSNZPARMs, also known as ZPARMs, that you can tailor to manage Db2. In this chapter, we cover only those subsystem parameters that affect your Db2 utilities. These Db2 utility DSNZPARMs can be altered and changed by you as and when required, and almost all of them can be changed without recycling Db2, i.e. dynamically. The effect of some ZPARMs can be overwritten with utility syntax at utility execution time.
There are macros that get assembled to produce the DSNZPARM object ...

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