How to recover mistakenly deleted MySQL procedures.

If you mistakenly delete a stored procedure in MySQL, there are several ways you can try to recover it.

1. Rollback operation: If you enabled binary logging before deleting the stored procedure, you can use the rollback operation to restore the state before the deletion. You can use the following command to view the operations in the binary logs.
2. Display binary logs.
3. Next, use the mysqlbinlog tool to recover to the specified binary log file and position. For example:
4. Execute the mysqlbinlog command with the starting position specified and then pipe the output to the mysql command with the username provided.
5. represents the binary log position before the stored procedure is deleted, and is the name of the binary log file.
6. Backup Restore: If you created a backup of the stored procedure before deleting it, you can restore the stored procedure using the backup file. You can use the following command to restore the stored procedure from the backup file:
7. Retrieve the file from the backup.
8. is the path and filename of the stored procedure backup file.
9. To recreate the stored procedure: If you do not have access to the binary log or backup files, you can recreate the stored procedure. You can use the previous code to recreate the stored procedure.

Please note that these methods are only applicable in cases where a stored procedure has been mistakenly deleted. If you have made other changes or deleted other objects, these methods may not work. Therefore, it is always recommended to backup your database before making any changes.