Sergey

SELECT * FROM t1, t2 WHERE t1.event_id=t2.event_id

Avoid using IN(...) when selecting on indexed fields, It will kill the performance of SELECT query.

The XtraDB plugin is designed to be used instead of InnoDB, and is fully compatible with your existing InnoDB tables and server settings.

The XtraDB plugin is designed to be used instead of InnoDB, and is fully compatible with your existing InnoDB tables and server settings.