Re: slow join

2004-09-15 Thread Oliver Schiessl
i solved the problem... for the ones, who wants to know: only creating an index on artikelnummer on both tables made the query beeing ready after 2 seconds again :-) Oliver On Wed, 15 Sep 2004 00:38:59 +0200, Oliver Schiessl <[EMAIL PROTECTED]> wrote: MySQL 3.23.58: ive got 2 tables with ca.

Re: Slow join... Big table

2001-07-12 Thread Mike W. Baranski
Don Read wrote: > > On 11-Jul-01 Mike W. Baranski wrote: > > Awsome answers! I'll clear a few things up where appropriate > > > > Don Read wrote: > > > > >> > >> > >> Why the LEFT JOINS ? > >> They're (mostly) used for finding set membership; whenever you see > >> 'LEFT JOIN b' without s fo

Re: Slow join... Big table

2001-07-11 Thread Don Read
On 11-Jul-01 Mike W. Baranski wrote: > Awsome answers! I'll clear a few things up where appropriate > > Don Read wrote: >> >> >> Why the LEFT JOINS ? >> They're (mostly) used for finding set membership; whenever you see >> 'LEFT JOIN b' without s following 'b IS [NOT] NULL' clause 'tis t

Re: Slow join... Big table

2001-07-11 Thread Mike W. Baranski
Awsome answers! I'll clear a few things up where appropriate Don Read wrote: > > On 11-Jul-01 Mike Baranski wrote: > > I was wondering if anyone had any suggestions on the following problem. I > > have a table with about 7 million rows, and I'm using the following > > join:CREATE TABLE badge_h

RE: Slow join... Big table

2001-07-11 Thread Don Read
On 11-Jul-01 Mike Baranski wrote: > I was wondering if anyone had any suggestions on the following problem. I > have a table with about 7 million rows, and I'm using the following > join:CREATE TABLE badge_history_resolved SELECT badge_history.id AS id, > badge_history.xact_date AS xact_date, ba