PostgreSQL:

ALTER MATERIALIZED VIEW

Topic

ALTER MATERIALIZED VIEW [ IF EXISTS ] name
action [, ... ]
ALTER MATERIALIZED VIEW [ IF EXISTS ] name
RENAME [ COLUMN ] column_name TO new_column_name
ALTER MATERIALIZED VIEW [ IF EXISTS ] name
RENAME TO new_name
ALTER MATERIALIZED VIEW [ IF EXISTS ] name
SET SCHEMA new_schema

where action is one of:

ALTER [ COLUMN ] column_name SET STATISTICS integer
ALTER [ COLUMN ] column_name SET ( attribute_option = value [, ... ] )
ALTER [ COLUMN ] column_name RESET ( attribute_option [, ... ] )
ALTER [ COLUMN ] column_name SET STORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN }
CLUSTER ON index_name
SET WITHOUT CLUSTER
SET ( storage_parameter = value [, ... ] )
RESET ( storage_parameter [, ... ] )
OWNER TO new_owner
SET TABLESPACE new_tablespace

Example

ALTER MATERIALIZED VIEW foo RENAME TO bar;