ALTER SCHEMA SQL - Language Statements ALTER SCHEMA change the definition of a schema ALTER SCHEMA ALTER SCHEMA name RENAME TO newname ALTER SCHEMA name OWNER TO newowner ALTER SCHEMA changes the definition of a schema. To rename a schema you must own the schema and have the privilege CREATE for the database. To change the owner of a schema, you must be a superuser. name The name of an existing schema. newname The new name of the schema. The new name cannot begin with pg_, as such names are reserved for system schemas. newowner The new owner of the schema. There is no ALTER SCHEMA statement in the SQL standard.