Re: [SQL] Newbie questions
От | Remigiusz Sokolowski |
---|---|
Тема | Re: [SQL] Newbie questions |
Дата | |
Msg-id | Pine.GS4.4.02A.9812140916340.14291-100000@netra.gdansk.sprint.pl обсуждение исходный текст |
Ответ на | Newbie questions ("Frank Morton" <fmorton@base2inc.com>) |
Ответы |
Re: [SQL] Newbie questions
Re: [SQL] Newbie questions |
Список | pgsql-sql |
> Question #1 > > If a select might match MANY rows, how can I limit it to say 50? > > I thought you could do: > > select * from table limit 50; look at description of cursor in man - there are also examples begin work; declare cursor bookmark for your select statement; fetch 50 in bookmark; close bookmark; commit;B > > Question #2 > > In doing a select, is there a way to ignore if the case of the key? > > For example, if I have a table called animals with an id column and > it might contain "dog" or "DOG" or "Dog" and I want to match all > of them, how do I do it, with or without the "like" operator? > > I'd like to say: > > select * from animals where id='dogs' ignore case; look at operators in docs ~~ - LIKE operator ~* - match(regex), case insensitive operator I have no idea which is better Rem p.s. I could make some mistakes in this examples - check in amnual or docs -------------------------------------------------------------------------------- Remigiusz Sokolowski e-mail: rems@gdansk.sprint.pl --------------------------------------------------------------------------------
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