mysql database rename script

mysql_db_rename.sh

#!/bin/bash
MYSQLCONN="mysql -uroot -pxxxx"
old_db_name="fff"
new_db_name="sj"
$MYSQLCONN -e "CREATE DATABASE $new_db_name"
params=$($MYSQLCONN -N -e "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE table_schema='$old_db_name'")

for name in $params; do
      $MYSQLCONN -e "RENAME TABLE $old_db_name.$name to $new_db_name.$name";
done;

#$MYSQLCONN -e "DROP DATABASE $old_db_name"