Re: request for sql3 compliance for the update command
От
Christopher Kings-Lynne
Тема
Re: request for sql3 compliance for the update command
Дата
Msg-id
066a01c2d89c$25d8d3e0$6500a8c0@fhp.internal
Список
Дерево обсуждения
Re: request for sql3 compliance for the update command Christopher Browne <cbbrowne@acm.org>
> BTW, looking at the SQL99 standard, I see that you can do > > UPDATE table SET ROW = foo WHERE ... > > where foo is supposed to yield a row of the same rowtype as table > --- I didn't dig through the spec in detail, but I imagine foo can > be a sub-select. I don't care a whole lot for that, though, since it > would be a real pain in the neck if you're not updating all the columns. > You'd have to go > > UPDATE table SET ROW = (SELECT table.a, table.b, foo.x, ... FROM foo) How is the Informix syntax any better? Chris
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