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Can't optimize SQL in vfp5?
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General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00046681
Message ID:
00047053
Views:
29
Thanks Bruce - that's the answer I was HOPING to get!

Cheers
Jim N

>>Hi Jim!
>>
>>Really, I don't know, but I'm just utilize this ;)
>>
>>Have a happy day
>>Vladimir Shevchenko
>>
>>> Glad to see that solved it!
>>> But was it needed because you were running with SET DELETED ON or is it
>>> just a "thing" with the optimizer???
>
>Good question, Jim. Yes, it only matters when SET DELETED ON. When OFF, you get "Full" optimization with any simple index usable by the SQL and no Deleted() index.
>
>Actually, I don't notice much speed difference whether the level is Full or Partial, as long as the SQL can use the pre-built index...but aesthetically, it's nicer to see that the query is at "Full" optimization, and of course it may make a big difference with a large table with many deleted records...
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