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Re: Why functions in Select Clause affect performance?

From: Doc Waters <davidmwaters_at_yahoo.com>
Date: 4 Apr 2006 18:27:41 -0700
Message-ID: <1144200461.914102.250880@t31g2000cwb.googlegroups.com> 





Oracle will run the function over each row returned, if the SQL returns
1 million rows then the function will be executed 1 million times and
if it does something slow then it will do that slow thing 1 million
times.
Received on Tue Apr 04 2006 - 20:27:41 CDT












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