Re: Crosstab SQL Question
От | Cary O'Brien |
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Тема | Re: Crosstab SQL Question |
Дата | |
Msg-id | 200006151216.IAA23743@saltmine.radix.net обсуждение исходный текст |
Ответ на | Re: Crosstab SQL Question (Ed Loehr <eloehr@austin.rr.com>) |
Ответы |
Re: Crosstab SQL Question
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Список | pgsql-general |
> > > Is it possible to perform a crosstab query in postgres similar the > > > functionality that MS Access provides? > > > > > > I tried building the query in Access (against postgre 6.5.3 using ODBC) > > > and using the SQL created by Access, but it looks like very non-standard > > > SQL code and postgre doesn't support it. > > > > ...[gratuitous sarcasm snipped]... > > you might want to describe what a crosstab query is... > > A crosstab is also known in MS Excel as a "pivot table", if that helps > any. It facilitates drag-and-drop data analysis by creating arbitrary > 2-D matrices aggregated from data columns. Very cool, and hard to > adequately describe, as it makes some complex operations very simple, and > I don't understand how it works underneath. IMO, it is one of the most > powerful data analysis tools in existence. It would be neat to be able > to do something similar in pgsql... > Applix has something called TM1 that does this. They have a (ug) flash demo and some more documentation at http://www.applix.com/itm1 It used to be available for Linux, but with the big reorg, who knows. -- cary
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