| From: | Nick Lello <nick(dot)lello(at)rentrakmail(dot)com> |
|---|---|
| To: | |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Slow count(*) again... |
| Date: | 2011-02-04 14:55:01 |
| Message-ID: | AANLkTikK86APLfOTdxekudXgK3DNPusbAQZMFfDXoas_@mail.gmail.com |
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| Lists: | pgsql-hackers pgsql-performance |
Informix IDS supports hints as well; normally the only need for hints in
this engine is when the Table/Index statistics are not being updated on a
regular basis (ie: lazy DBA).
On 3 February 2011 22:17, Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>wrote:
> On 04/02/11 11:08, Josh Berkus wrote:
>
>> I don't think that's actually accurate. Can you give me a list of
>> DBMSes which support hints other than Oracle?
>>
>> DB2 LUW (Linux, Unix, Win32 code base) has hint profiles:
>
>
> http://justdb2chatter.blogspot.com/2008/06/db2-hints-optimizer-selection.html
>
>
>
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Nick Lello | Web Architect
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