Re: [GENERAL] Calcuate percentage.
От | Marcin Grondecki |
---|---|
Тема | Re: [GENERAL] Calcuate percentage. |
Дата | |
Msg-id | 3.0.6.32.19990309190203.0080bcf0@mtl.pl обсуждение исходный текст |
Ответ на | Calcuate percentage. (Sze Yuen Wong <swong_@yahoo.com>) |
Список | pgsql-general |
select count (*) into t1 from t; select count(varl), varl into t2 from t group by varl; select varl, (t2.count*100/t1.count) from t2, t1; and, of coz, drop tables t1 'n' t2 ;) (i don't know it's my laminess, but syntax "select ... into TEMP ddd ... does'n work for me - maybe suggestions? a bug i don't know about?) At 06:54 99-03-09 -0800, you wrote: >Hi, > > I need to calcuate the percentage from my table: > >var1 >------ >1 >1 >1 >2 >2 >3 > >Desire result: > >var1 | percentage >---------------------------- >1 | 50% >2 | 33% >3 | 17% > >=============================== > >Any clue? > >Please help. > >Sze Wong > > > > > > >_________________________________________________________ >DO YOU YAHOO!? >Get your free @yahoo.com address at http://mail.yahoo.com > > > Marcin Grondecki ojciec@mtl.pl +48(604)468725 ***** I'm not a complete idiot, some parts are missing...
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