CREATE MATERIALIZED VIEW [ schema. ]materialized_view [ column_alias [, column_alias]... ] [ OF [ schema. ]object_type ] [ (scoped_table_ref_constraint) ] { ON PREBUILT TABLE [ { WITH | WITHOUT } REDUCED PRECISION ] | physical_properties materialized_view_props } [ USING INDEX [ physical_attributes_clause | TABLESPACE tablespace ] [ physical_attributes_clause | TABLESPACE tablespace ]... | USING NO INDEX ] [ create_mv_refresh ] [ FOR UPDATE ] [ { DISABLE | ENABLE } QUERY REWRITE ] AS subquery ;