Oracle-L: Using miss-spelled hint changes explain plan ...

From: Jamadagni, Rajendra <Rajendra.Jamadagni_at_espn.com>
Date: Thu, 20 Nov 2003 07:19:55 -0800
Message-ID: <F001.005D7446.20031120071955@fatcity.com>

Okay,

I found this by accident ...

I was trying to get explain plan on a query that involved a in-line-query that selects from financials database. This in-line query was alias'd as "A". Current cost of query was ~2800.

So, to test for explain plan I added hint

/*+ diving_site(A) */ -- note the spelling mistake here ... the cost of the query changed to 25. I corrected the spelling mistake and make it driving_site, cost went back to ~2900.

Has anyone experienced this before? Our original db is 9202 and financials is on a RBO, 805 db accessed through a db_link.

Raj

Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

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Author: Jamadagni, Rajendra
INET: Rajendra.Jamadagni_at_espn.com

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