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No Visual Explain yet (and I don't even know if I'd be able to reach the
box via iNav, short of through a GoToMeeting session), but I have tried
something else.
If I do a SELECT * from the censored VIEW, in a STRSQL session, I get
results even faster than I do for counting the records (too fast to
manually stopwatch, albeit noticeably slower than the uncensored view),
and I can easily jump to the end without significant delay.
But executing a SELECT * from the censored VIEW via Squirrel SQL seems
to be a much slower process. I'm seeing QSYS2/QSQPTABL open 5 separate
times, each one showing more I/O than the censored view itself, and one
of them showing about 20 times as much I/O.
I think much of the slow speed is attributable to the fact that Squirrel
is running on a fairly old WinDoze box, through an Internet connection;
it could be some time before I have further benchmark data.
In the meantime, I've begun reading up on things like SQL monitoring and
Visual Explain in the relevant Redbook.
--
JHHL
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This thread ...
Re: More, Re: Questions about RPG service program as an SQL UDF, (continued)
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