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Multitable joins taking a long time
Message
De
07/07/1999 22:04:52
 
 
À
07/07/1999 20:13:06
Cpu Ready
Cassette Productions Inc
Irvine, Californie, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00238625
Message ID:
00238650
Vues:
13
>Using the view designer we created a two table join.
>Each table is about 1 million records.
>The primary table is 264 bytes record length and the other is 234 bytes.
>This is a left outer join.
>The tables are joined on a single foriegn key.
>15 fields are selected from the two tables to be used in the view.
>
>Using two filters we are trying to query the data and quickly return a cursor. Each filter matches one index in each table. The queries are averaging between 20 to 25 seconds but can take as long as three minutes.
>
>Does anybody have any ideas for speeding this up.

Can you post the SQL?
Erik Moore
Clientelligence
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