Db2 for z/OS: Opportunities for CPU Efficiency When Data Clustering is not a Priority

(Robert Catterall) Not long ago, a veteran Db2 for z/OS DBA contacted me with an interesting question. He had, in the system he supported, a table with a clustering index, and he wanted to know how he could get Db2 to act, with regard to INSERT operations and also with regard to executions of the RE

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