You have a database and for some reasons you want to delete it.
To delete a database You can use DROP DATABASE statement.
To see all the databases you have, you can use the following query.
# MySQL SHOW DATABASES; # PostgreSQL SELECT datname FROM pg_database;
Now to delete the lwd database, I will use
DROP DATABASE lwd;
Note – Please be careful, once you delete a database you won’t able to recover it.