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View problem - why it's shown as partial optimization?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00573380
Message ID:
00573383
Vues:
19
>Hi everybody,
>
>I've created a local view in View Designer and modified it in EView. I modified SQL to be
>
>SELECT rcode, town, record_fm,  record_to, landct_fm, landct_to,  ;
>calmnth, mdflag, nodata,  notes, ddflag, dsid, state,  extryear, extrweek, ;
>ccode FROM support!filingdate ;
>WHERE BETWEEN(dsID , ?lnIdLow, ?lnIDHigh)  ;
> AND between(state+extryear+extrweek, ?lcStWkLow,  ?lcStWkHIgh) ;
>ORDER BY extryear DESC, extrweek DESC,  rcode, town
>
>On the SQL showplan I see
>Using index tag Deleted to rushmore optimize table filingdate
>Rushmore optimization level for table filingdate: partial
>
>I have both indexes on DsID and StateWeek in FilingDate table. Do you know, what's the problem?
>
>Thanks in advance.

Do you have index on state+extryear+extrweek?
--sb--
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