Checking the existence of a database using shell script

#!/bin/bash

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# script to check whether database exists or not                                      
#                                                                                                                    
#                                                                                                                    
#                                                                                                                    
# Made By : Damanpreet Singh (DEMON)                                                   
# http://damanpreet.co.cc/                                                                            
#                                                                                                                    
#                                                                                                                 
# created : 13-11-2012                                                                                            #   VER=1.1                                                                                              
#                                                                                                                
#############################################

echo "enter mysql username"
read u
echo "enter mysql password"
read p
echo "enter database name to check"
read db_name
RESULT=`mysql --user="$u" --password="$p" --skip-column-names -e "SHOW DATABASES LIKE '$db_name'"`
if [ $RESULT ]; then
    echo "Database exist"
else
    echo "Database does not exist"
fi