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Dynamic Plan Stability - Capture statements from explain
If we want to capture a certain dynamic statement for dynamic plan stability, the statement has to reside in the dynamic statement cache. Than you have to search for the statement id and with the statement íd you're able to capture a certain state...
Give the option to make an index "invisible" to DB2
Sometimes, when I have added and index, I have had some surprises in the optimizer using that index when it should not. I would like a quick way to make the index "invisible" to the optimizer and make it not eligible for access paths until I spec...
It is not possible to ALTER a global variable, it is necessary to do DROP + re-CREATE it. And previously we must DROP all the objects that depends on it: PROCEDURE, FUNCTION, TRIGGER, VIEWS ..., and the packages are marked as invalid.
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