DROP USER SQL - Language Statements DROP USER remove a database user account DROP USER name DROP USER removes the specified user. It does not remove tables, views, or other objects owned by the user. If the user owns any database, an error is raised. name The name of the user to remove. DROP USER Message returned if the user was successfully deleted. ERROR: DROP USER: user "name" does not exist Message returned if the specified user does not exist. DROP USER: user "name" owns database "name", cannot be removed You must drop the database first or change its ownership. PostgreSQL includes a program that has the same functionality as this command (in fact, it calls this command) but can be run from the command shell. To drop a user account: DROP USER jonathan; The DROP USER statement is a PostgreSQL extension. The SQL standard leaves the definition of users to the implementation.