Re: [GENERAL] Calcuate percentage.
От | Sze Yuen Wong |
---|---|
Тема | Re: [GENERAL] Calcuate percentage. |
Дата | |
Msg-id | 19990309183847.7103.rocketmail@send202.yahoomail.com обсуждение исходный текст |
Список | pgsql-general |
select count(*) into t2 from stations; FATAL 1: btree: failed to add item to the right sibling Any clue? ---Marcin Grondecki wrote: > > 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... > > > _________________________________________________________ DO YOU YAHOO!? Get your free @yahoo.com address at http://mail.yahoo.com
В списке pgsql-general по дате отправления: