select * from goods
select GoodsNumber,GoodsName,Color,sum(S) S,sum(M) M,sum(L) L,sum(XL) XL,sum(XS) XS,sum(F) F
from goods group by GoodsNumber,GoodsName,color
yyf960126的博客listagg() WITHIN GROUP () 将多行合并成一行(比较常用) SELECT T .DEPTNO, listagg (T .ENAME, ',') WITHIN GROUP (ORDER BY T .ENAME) names FROM SCOTT.EMP T WHERE T .DEPTNO = '20' GROUP BY T .DEPTNO