vfp求和,把每列求和放在最后一行

create cursor tt(id n(3),yw n(3),sx n(3),yy n(3)) insert into tt values(1,103,123,145) insert into tt values(2,113,103,140) insert into tt values(3,133,73,135) insert into tt values(4,93,143,125) insert into tt values(5,83,132,115) insert into tt(id,yw,sx,yy) select sum(id),sum(yw),sum(sx),sum(yy) from tt browse