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Re: SQL tuning questions

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: Thu, 7 Feb 2002 19:16:35 +0100
Message-ID: <u65i7nctq81j12@corp.supernews.com>

"tshen" <tshen01_at_hotmail.com> wrote in message news:Kgo88.4831$th4.2627247_at_news02.optonline.net...
> hi, guys:
>
> Q 1: why some time oracle won't use the hint which I give?
> Q 2: since I found the "set timing on" cann't tell the exact the time
> the oracle
> execute the query, so how can I tell the exact time of
execution
> of the query?
> Q3: I have no problem with each single simple tuning sample SQL, but
> in real life,
> the SQL became very complicate and huge, so is there any
steps
> or spots that I
> must look or deal first, and then second....... ? please give
> some suggestion of
> the real life SQL tuning. thanks
>
> tshen
>
>

Please read the Oracle Performance Tuning Manual or a 3rd party tuning book.

Regards

--
Sybrand Bakker
Senior Oracle DBA

to reply remove '-verwijderdit' from my e-mail address
Received on Thu Feb 07 2002 - 12:16:35 CST

Original text of this message

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