Re: [HACKERS] Slow count(*) again... - Mailing list pgsql-performance

On Feb 3, 2011, at 17:08, Josh Berkus wrote:

> On 2/3/11 1:18 PM, Chris Browne wrote:
>> mladen.gogala@vmsinfo.com (Mladen Gogala) writes:
>>> I must say that this purist attitude is extremely surprising to
>>> me. All the major DB vendors support optimizer hints,
>
> I don't think that's actually accurate.  Can you give me a list of
> DBMSes which support hints other than Oracle?

1 minute of Googling shows results for:

db2:
<http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=/com.ibm.db2.doc.admin/p9li375.htm>

informix:
<http://www.ibm.com/developerworks/data/zones/informix/library/techarticle/0502fan/0502fan.html>

sybase:
<http://searchenterpriselinux.techtarget.com/answer/Query-hints-to-override-optimizer>

mysql:
<http://dev.mysql.com/doc/refman/5.0/en/index-hints.html>

I haven't read much of the rest of this thread, so others may have brought these up before.

Michael Glaesemann
grzm seespotcode net