select t.rank, t.Name from t_menu_item t; 10 CLARK 10 KING 10 MILLER 20 ADAMS 20 FORD 20 JONES 20 SCOTT 20 SMITH 30 ALLEN 30 BLAKE 30 JAMES 30 MARTIN 30 TURNER 30 WARD -------------------------------- 我们通过 10g 所提供的 WMSYS.WM_CONCAT 函数即可以完成 行转列的效果 select t.rank, WMSYS.WM_CONCAT(t.Name) TIME From t_menu_item t GROUP BY t.rank; DEPTNO ENAME ------ ---------- 10 CLARK, KING, MILLER 20 ADAMS, FORD, JONES, SCOTT, SMITH 30 ALLEN, BLAKE, JAMES, MARTIN, TURNER, WARD
![](https://img2024.cnblogs.com/blog/35695/202408/35695-20240826070647288-243310440.jpg)