Re: Can this be done in one query?
| От | Randall Perry |
|---|---|
| Тема | Re: Can this be done in one query? |
| Дата | |
| Msg-id | 20020508164443.VVTO8262.imf18bis.bellsouth.net@[216.77.205.74] обсуждение исходный текст |
| Ответ на | Re: Can this be done in one query? (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
| Список | pgsql-general |
Thanks, that's the best solution. But I don't get the syntax; what's the 'c' at the end -- an alias? > > On Tue, 7 May 2002, Randall Perry wrote: > >> With the following: >> >> select max(date) from log order by date_time desc limit 12; >> >> The limit clause has no effect on the results; it'll get the latest date >> from the entire record set rather than from the last 12 records. > > Maybe something like: > select max(date) from (select date from log order by date_time desc limit > 12) c; > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org -- Randy Perry sysTame Mac Consulting/Sales phn 772.589.6449 mobile email help@systame.com
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