Groups | Search | Server Info | Login | Register

Groups > comp.databases.ingres > #3903

Re: MERGE syntax

From Roy Hann <specially@processed.almost.meat>
Newsgroups comp.databases.ingres
Subject Re: MERGE syntax
Date 2023-10-26 16:37 +0000
Organization A noiseless patient Spider
Message-ID <uhe4kp$1netn$1@dont-email.me> (permalink)
References <uhdoq5$1k0nd$1@dont-email.me>

Show all headers | View raw

Roy Hann wrote:

> I am just trying to understand the syntax. I can't think of a reason to 
> ever do multiple updates with the same matching condition.

Unless someone tells me different, I'm starting to think this is just
another example where EBNF runs out of steam.

I think that description is just trying to tell us it doesn't matter
in what order we specify the DELETE action and the UPDATE action.
Semantically, we're allowed only one of each.

Am I right?

Roy

Back to comp.databases.ingres | Previous | Next — Previous in thread | Find similar

Thread

MERGE syntax Roy Hann <specially@processed.almost.meat> - 2023-10-26 13:15 +0000
  Re: MERGE syntax Roy Hann <specially@processed.almost.meat> - 2023-10-26 16:37 +0000

csiph-web