WMSYS.WM_CONCAT 函数 行转列

WMSYS.WM_CONCAT 函數的用法

    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

猜你喜欢

转载自vernonchen163.iteye.com/blog/2026972