DROP SERVER 7 SQL - Language Statements DROP SERVER remove a foreign server descriptor DROP SERVER DROP SERVER [ IF EXISTS ] servername [ CASCADE | RESTRICT ] DROP SERVER removes an existing foreign server descriptor. To execute this command, the current user must be the owner of the server. IF EXISTS Do not throw an error if the server does not exist. A notice is issued in this case. servername The name of an existing server. CASCADE Automatically drop objects that depend on the server (such as user mappings). RESTRICT Refuse to drop the server if any objects depend on it. This is the default. Drop a server foo if it exists: DROP SERVER IF EXISTS foo; DROP SERVER conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a PostgreSQL extension.