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  2. JAVA400-L
  3. September 2007

Re: SQL question with where in clause

On 9/15/07, Thorbjørn Ravn Andersen <thunderaxiom@xxxxxxxxx> wrote:
PrepareStatement is quite expensive and only needed if you either have
?-placeholders or want to repeat it _MANY_ times. The value for _MANY_
varies from database to database, but I believe it was between 20 and 50
for Oracle some years ago.

I was interested in this remark. You're backed up by the section
"Statement Versus PreparedStatement" in this book:
http://www.oreilly.com/catalog/jorajdbc/chapter/ch19.html

It was written in 2001, and the statistics were for Oracle at that
time. I would be very interested in seeing hard numbers for the
current DB2 drivers. (but not so interested as to do the comparisons
myself).


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