Once Upon a time.....
Naa... I m kidding... :P this is technical blog.
So lets come to the point..
I was totally unaware about the database optimization specially MySQL
I realized one day that my one of the MySQL server giving problem to all my sites.
Because there were 2K tables on the same server.
:O ... 2K tables ??
I was shocked and had to do something to reduce such overhead on the MySQL server.