MySQL stored procedures or php code?

Question

A general question, without a specific case in mind - is it usually preferred to use MySQL stored procedures over writing a PHP script that performs the same calculations an

Answer 1

Stored procedure 99 times out of 100. If I were topick 1 reason then it would be that if your php web app does all database acces via stored procedures and your the database user only has permision toexecute said stored procedures then you are 100% protected against SQL injection atacks.