Re: [SQL] SQL query _slow_
От | Bruce Momjian |
---|---|
Тема | Re: [SQL] SQL query _slow_ |
Дата | |
Msg-id | 199902212352.SAA01581@candle.pha.pa.us обсуждение исходный текст |
Ответ на | SQL query _slow_ (Gregg Berkholtz <gregg@gbcomputers.com>) |
Список | pgsql-sql |
> I have a few SQL query's that are taking in the range of 30-60 seconds > to complete. They are searching tables that are no larger than 120 rows > with I believe 7 columns of data each. > Any ideas? > The SQL statement is below: > > SELECT tblClientInfo.fName, tblClientInfo.lName, tblClientInfo.phoneNum, > tblClientLocation.locationName, tblTroubTick.TroubTickLastUpdate, > tblTroubTick.hoursInvested, tblSupportPersInfo.fName, > tblSupportPersInfo.lName, tblPriority.priority, tblTroubTick.assetID, > tblTroubTickStatus.troubTickStatus, tblTroubTickProblem.troubTickProblem > > FROM tblClientInfo, tblTroubTick, tblClientLocation, tblSupportPersInfo, > tblPriority, tblTroubTickStatus, tblTroubTickProblem > WHERE tblTroubTick.troubTickStatusID <> 7 AND > tblClientLocation.locationID = tblClientInfo.locationID AND > tblTroubTick.clientID = tblClientInfo.clientID AND > tblTroubTick.supportPersID = tblSupportPersInfo.supportPersID AND > tblTroubTick.priorityID = tblPriority.priorityID AND > tblTroubTick.troubTickStatusID = tblTroubTickStatus.troubTickStatusID > AND tblTroubTick.troubTickProblemID = > tblTroubTickProblem.troubTickProblemID; 6.5 will have a majorly improved optimizer. We hope to start beta in a month. Hope you can wait. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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