Prior to MySQL 5.1, it wasn’t all that easy to find the worst running SQL on a MySQL instance. And truth be told, MySQL still has a ways to go before it’s an effortless process. But, the good news is there are some new aids in MySQL 5.1 and MySQL Enterprise that do make it more efficient to find and troubleshoot bad SQL code that’s hiding inside a MySQL instance. Let’s take a quick tour through these new features and see what help they provide.
