Re: origins/destinations
| От | Andy Colson |
|---|---|
| Тема | Re: origins/destinations |
| Дата | |
| Msg-id | 4A131226.1040401@squeakycode.net обсуждение исходный текст |
| Ответ на | origins/destinations (Carson Farmer <carson.farmer@gmail.com>) |
| Ответы |
Re: origins/destinations
Re: origins/destinations |
| Список | pgsql-general |
Carson Farmer wrote: > Hi list, > > I have (what I thought was) a relatively simple problem, but my > knowledge of sql is just not good enough to get this done: > > I have a table which is basically a number of individuals with both > their origin and destination as columns (see Table 1). In this case, > origins and destinations are the census area in which they and work. > What I would like to do is generate an nxn matrix (preferably output to > csv but I'll take what I can get), where origins are on the y axis, and > destinations on the x axis (see Table 3). > <snip> Would it have to be sql only? I think this would be pretty easy in perl. -Andy
В списке pgsql-general по дате отправления: