Re: pg_dump only certain rows
| От | Anthony E . Greene |
|---|---|
| Тема | Re: pg_dump only certain rows |
| Дата | |
| Msg-id | 20010210181817.E8182@cp5340 обсуждение исходный текст |
| Ответ на | pg_dump only certain rows ("Stefan Waidele jun." <St.Waidele.jun@Krone-Neuenburg.de>) |
| Список | pgsql-novice |
On Sat, 10 Feb 2001 16:11:00 Stefan Waidele jun. wrote: >I want to normalize an existing table. > >Is there a way to drop the unwanted columns in my original table? > >SQL-alter does not seem to do it, neither can I specify the columns used in > >pd_dump. Or have I overlooked something? Select the rows and columns you want directly into a new table, then drop the old table: SELECT column1,column2 INTO new_table FROM old_table WHERE filter_conditions; Tony -- Anthony E. Greene <agreene@pobox.com> <http://www.pobox.com/~agreene/> PGP Key: 0x6C94239D/7B3D BD7D 7D91 1B44 BA26 C484 A42A 60DD 6C94 239D Chat: AOL/Yahoo: TonyG05 ICQ: 91183266 Linux. The choice of a GNU Generation. <http://www.linux.org/>
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