Re: Performance Optimization for Dummies 2 - the SQL
| От | Carlo Stonebanks |
|---|---|
| Тема | Re: Performance Optimization for Dummies 2 - the SQL |
| Дата | |
| Msg-id | eg3bqm$2dq$1@news.hub.org обсуждение исходный текст |
| Ответ на | Performance Optimization for Dummies 2 - the SQL ("Carlo Stonebanks" <stonec.register@sympatico.ca>) |
| Ответы |
Re: Performance Optimization for Dummies 2 - the SQL
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| Список | pgsql-performance |
Just to clarify: if I expect to join two tables that I expect to benfit from indexed scans, I should create indexes on the joined columns on BOTH sides? Carlo "Tom Lane" <tgl@sss.pgh.pa.us> wrote in message news:12239.1160054675@sss.pgh.pa.us... > "Carlo Stonebanks" <stonec.register@sympatico.ca> writes: >> I didn't create an index on facility_address.address_id because I >> expected >> joins to go in the other direction (from facility_address to address). > > Well, that's your problem right there ... > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 3: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq >
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