SUMW(<table>,<expression> [,PARTITIONBY(<expression>[,[expression] [,...]])] [,ORDERBY(<expresion> [(ASC|DESC)] [,<expression> [(ASC|DESC)] [,...] ] )] [,(ROWS|RANGE)( ((UNBOUNDED|<Number>) (PRECEDING|FOLLOWING) | CURRENT ROW) [,((UNBOUNDED|<Number>) (PRECEDING|FOLLOWING) | CURRENT ROW)])])