revoke_stmt ::=
	'REVOKE' ( 'ALL' | ( ( ( 'CREATE' | 'GRANT' | 'SELECT' | 'DROP' | 'INSERT' | 'DELETE' | 'UPDATE' ) ) ( ( ',' ( 'CREATE' | 'GRANT' | 'SELECT' | 'DROP' | 'INSERT' | 'DELETE' | 'UPDATE' ) ) )* ) ) 'ON' ( ( 'TABLE' | ) table_pattern ( ( ',' table_pattern ) )* | 'DATABASE' database_name ( ( ',' database_name ) )* ) 'FROM' ( ( user_name ) ( ( ',' user_name ) )* )
	
	
