| From: | Don Baccus <dhogaza(at)pacifier(dot)com> |
|---|---|
| To: | Thomas Good <tomg(at)nrnet(dot)org> |
| Cc: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu>, Vadim Mikheev <vadim(at)krs(dot)ru>, Postgres Hackers List <hackers(at)postgreSQL(dot)org> |
| Subject: | Re: [HACKERS] "DML" |
| Date: | 1999-06-11 19:42:04 |
| Message-ID: | 3.0.1.32.19990611124204.00e7bf94@mail.pacifier.com |
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| Thread: | |
| Lists: | pgsql-hackers |
At 01:36 PM 6/11/99 -0400, Thomas Good wrote:
>Hee hee...according to Guy Harrison who wrote 'Oracle SQL High
>Performance Tuning' (a great book) SELECT is NOT part of DML.
>It is a QUERY.
>Harrison separates SELECT from DML because it does not alter data.
>Is this getting murkier or do I really need some coffee?
Murkier :)
OK, so SQL can be decomposed into: queries, DML, DDL, DCL.
The queries are ... DQL? :)
> Anyway the two books that
>I've come to rely on are literally on my coffee table at home, so
>maybe tonight I'll have a pint ....
Taking my "bottle and pour it" advice literally, I see!
- Don Baccus, Portland OR <dhogaza(at)pacifier(dot)com>
Nature photos, on-line guides, and other goodies at
http://donb.photo.net
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