2. binary logs, which files are in form of <host_name>-bin.00001
by every update on your database the extension will be incremented
by 1. then the greatest value is the latest one.
binary logs save the all statements that have effect on change of
database like insert, delete, etc. but you should be careful in executing
binary log and delete the drop statements in case of existent.
binary logs are accessible only in case of active status, its means is it
must be active before dropped database.
the command for database recovery with using binary log is: