Show databases
mysql -h 127.0.0.1 -P 3306 -u 'lewis' -p'P4ntherg0t1n5r3c0n##' -e 'SHOW DATABASES;'
show all tables.
mysql -h 127.0.0.1 -P 3306 -u 'lewis' -p'P4ntherg0t1n5r3c0n##' -e 'SELECT table_schema, table_name FROM information_schema.tables;'
show rows and columns from a specific database.
mysql -h 127.0.0.1 -P 3306 -u 'lewis' -p'P4ntherg0t1n5r3c0n##' -D 'joomla' -e 'SELECT * from sd4fg_users;'