Re: Update query by joining multiple tables.
От | Shoaib Mir |
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Тема | Re: Update query by joining multiple tables. |
Дата | |
Msg-id | bf54be870701170701k323bad55j4f4a383112381a46@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Update query by joining multiple tables. (Andrew Sullivan <ajs@crankycanuck.ca>) |
Список | pgsql-sql |
Might be a view and then a rule attached with that can help you out with doing updates using joins
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Shoaib Mir
EnterpriseDB (www.enterprisedb.com)
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Shoaib Mir
EnterpriseDB (www.enterprisedb.com)
On 1/17/07, Andrew Sullivan <ajs@crankycanuck.ca> wrote:
On Wed, Jan 17, 2007 at 04:50:18PM +0530, Moiz Kothari wrote:
> http://www.postgresql.org/docs/8.1/interactive/sql-update.html, it is not
> specified if a join can be done between multiple tables to update a table, i
Sure it is:
A list of table expressions, allowing columns from other tables to
appear in the WHERE condition and the update expressions.
a
--
Andrew Sullivan | ajs@crankycanuck.ca
Users never remark, "Wow, this software may be buggy and hard
to use, but at least there is a lot of code underneath."
--Damien Katz
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
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