首先还原listagg聚合之后出现重复数据的现象,打开plsql,执行如下sql
deptno, listagg(ename, ',') within group(order by ename) as
sql在升级后肯定需要改写,改写方案如下,只需将wm_concat用listagg
sql在升级后肯定需要改写,改写方案如下,只需将wm_concat用listagg
电脑 > 电脑软件工具/原料 oracle 19c 方法/步骤 2 通过将 listagg
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