-h, --host host
Specifies the host name of the machine on which the server is running. If host begins with a slash, it is used as the directory for the Unix domain socket.
-p, --port port
Specifies the Internet TCP/IP port or local Unix domain socket file extension on which the server is listening for connections.
Echo the queries that createdb generates and sends to the server.
Do not display a response.
Prompt for confirmation before actually removing the user.
Specifies the name of the PostgreSQL user to be removed. This name must exist in the PostgreSQL installation. You will be prompted for a name if none is specified on the command line.
The options -h, -p, and -e, are passed on literally to psql(1). The psql options -U and -W are available as well, but they can be confusing in this context.
All is well.
dropuser: deletion of user username
Something went wrong. The user was not removed.
dropuser removes an existing PostgreSQL user and the databases which that user owned. Only users with usesuper set in the pg_shadow table can destroy PostgreSQL users.
To remove user joe from the default database server:
$ dropuser joe DROP USER
To remove user joe using the postmaster on host eden, port 5000, with verification and a peek at the underlying query: