MySQL Stored Procedure vs. complex query

Question

How is the performance of a Stored Procedure? Is it worth using them instead of implementing a complex query in a PHP/MySQL call?

Answer 1

As was pointed out to me in a previous answer courtesy of JohnFX:

"The performance benefit of stored procedures is dubious and minimal at best. Some reading material on this point:

http://statestreetgang.net/post/2008/04/My-Statement-on-Stored-Procedures.aspx

http://betav.com/blog/billva/2006/05/are_stored_procedures_faster_t.html

Enjoy.