Fastest Way to Check if MYSQL Table Exists in PHP. Dynamic PHP pages give you the option to choose a MySQL table dynamically from which to query. You must ensure that the table exists before ...

MySQL experts joined DBTA's webinar, 'Best Practices for Accelerating your MySQL Data,' to examine architectural tips and best practices that can best support large-scale MySQL operations while ...

In MySQL it's about 4 seconds vs. about 1.5 minutes. I believe MySQL is creating a temporary table with the entire contents of the subquery where as SQL Server's optimizer is doing something smarter.