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Large Tables and Filters
Message
From
29/09/1998 12:55:00
 
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Miscellaneous
Thread ID:
00142005
Message ID:
00142006
Views:
28
Rodney ---

It *can* be normal with a non-optimized filter on a table of that size. Why not create an index matching your condition and/or SELECT - SQL to grab only those records you need....better yet, a parameterized view.


>We have a system that tracks shipped packages on the internet. Currently the file that we tracking from has about 750,000 records. I set a filter to "ShpSts != "D" AND Date > (Date() - 14)". After scanning through about 30 - 40 records the machine appears locked up. We are running Windows NT Server 4.0 SP3 on a Pentium 233 with 256 Mb ram. If I wait about 3 or 4 minutes the machine frees up. Is this normal? Any ideas on how to correct?
------------------------------------------------
John Koziol, ex-MVP, ex-MS, ex-FoxTeam. Just call me "X"
"When the going gets weird, the weird turn pro" - Hunter Thompson (Gonzo) RIP 2/19/05
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