z/OS is an operating system for mainframes, by IBM.
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616 views
Do I need to RUNSTATS after a REORG in DB2?
The REORG documentation says:
BUILD
Builds indexes. Updates index statistics.
But I have always heard REORG/RUNSTATS as if they should be paired. Can anyone verify that "Updates index ...
4
votes
2answers
257 views
Can I optimize for the zIIP processor?
Is it possible to change SQL in a z/OS mainframe COBOL application so that it becomes eligible to be directed to the IBM System z Integrated Information Processor (zIIP)?