My understanding that there is NO FUNCTION LEVEL *EVER* required to deploy a PTF (any PTF can be deployed at ANY FL)
There is, however, certain PTFs required to activate a function level – is that what you meant?
If so ... https://www.ibm.com/support/knowledgecenter/SSEPEK_12.0.0/wnew/src/tpc/db2z_db2functionlevels.html
This documents details the features activated at each FL *and the ptf required to enable the function level*
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Here are some facts about PTFs and Db2 function levels:
>> When you apply a PTF for code to support new function in a higher function level, you cannot tell from the PTF itself which function level will activate the new function.>I think you meant "... you cannot tell from the PTF itself which code level the PTFestablishes" - or something on those lines.
I believe that a new code level is established when you apply several PTFs that deliver deactivated new-function code, plus a single PTF that enables activation of the corresponding function level.
I meant that the closing text and ++HOLD for the PTFs that deliver deactivated new-function code generally don't indicate which function level will activate the new features that will use the code.
Perhaps that could also be re-phrased as, "When you apply a PTF that delivers deactivated new-function code for a future function level, you cannot tell which code level the PTF is helping to establish."
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