`DROP MATERIALIZE VIEW [ IF EXISTS ] <mv_name> ON [db_name].<table_name>`
Parameters:
IF EXISTS: Do not throw an error if the materialized view does not exist. A notice is issued in this case.
mv_name: The name of the materialized view to remove.
db_name: The name of db to which materialized view belongs.
table_name: The name of table to which materialized view belongs.