Re: Select query takes long to execute
| От | SZUCS Gábor | 
|---|---|
| Тема | Re: Select query takes long to execute | 
| Дата | |
| Msg-id | 001c01c32689$82da1050$0403a8c0@fejleszt4 обсуждение исходный текст | 
| Ответ на | Re: Select query takes long to execute ("Nikolaus Dilger" <nikolaus@dilger.cc>) | 
| Ответы | Table Relationships Re: Select query takes long to execute | 
| Список | pgsql-performance | 
Nikolaus, I think that shouldn't be any more effective. As I experienced, it's irrelevant how many cols an index has as long as you only use the first column. And, after that, if you use another column, how could a missing second column be any better? G. ------------------------------- cut here ------------------------------- ----- Original Message ----- From: "Nikolaus Dilger" <nikolaus@dilger.cc> Sent: Friday, May 30, 2003 4:44 AM > Kevin, > > How about creating a new index just on column6? > That should be much more effective than the multicolumn > index. > > Regards, > Nikolaus
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