Re: What is the quickest query in the database?
От | Jonathan Bartlett |
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Тема | Re: What is the quickest query in the database? |
Дата | |
Msg-id | Pine.GSU.4.44.0302201152020.21354-100000@eskimo.com обсуждение исходный текст |
Ответ на | Re: What is the quickest query in the database? (Tino Wildenhain <tino@wildenhain.de>) |
Ответы |
Re: What is the quickest query in the database?
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Список | pgsql-general |
Might select NULL; be faster, since the number doesn't have to be parsed, and null is probably a keyword? Jon On Thu, 20 Feb 2003, Tino Wildenhain wrote: > Hi P G, > > On Thu, 20 Feb 2003 09:52:07 -0800 (PST) > P G <pg_dba@yahoo.com> wrote: > > > What is the quickest and least intrusive query in the > > database that will always succeed? > > select 1; > > :o) > > Regards > Tino > > > > select current_user; > > > > -- OR -- > > > > select datname from pg_database where datname = > > 'some_database'; > > > > Or would it be something else? > > > > TIA. > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Tax Center - forms, calculators, tips, more > > http://taxes.yahoo.com/ > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 3: if posting/reading through Usenet, please send an appropriate > > subscribe-nomail command to majordomo@postgresql.org so that your > > message can get through to the mailing list cleanly > > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html >
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