Re: [SQL] RE: DATE Formating Problem Again
От | Karel Zak - Zakkr |
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Тема | Re: [SQL] RE: DATE Formating Problem Again |
Дата | |
Msg-id | Pine.LNX.3.96.1000302120719.3304B-100000@ara.zf.jcu.cz обсуждение исходный текст |
Ответ на | RE: DATE Formating Problem Again (Mark Kirkwood <markir@ihug.co.nz>) |
Список | pgsql-sql |
On Thu, 2 Mar 2000, Mark Kirkwood wrote: > >I am searching after the date formatting solution, but didn't found a > >correct one. > > > >So example ORACLE has > > - to_char function to make any kind of date format from a date > type: > >to_char(now,'yyyy.mm.dd') > > - to_date to makes a date type from any kind of string: to_date > >('1999.11.23','yyyy.mm.dd') > >(sniped...) > > I have wrestled a bit with this myself - being an Oracle dba ( but i'm > alright now....), > the date <-> char conversion is very different is Postgresql. > > However I have found that the "date_part" and "interval" functions seem > to do the job ok, > sometimes combined with the casting operator "::datetime". > > e.g : ( for release 7.0 ) > date -> number The release 7.0 has to_char/to_date/to_timestamp functions too, and it is very compatible with Oracle's to_char(). See the PostgreSQL documentation for more details. Karel
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