試圖做到這一點(在SQL Server的工作原理): WITH X AS(), Y AS(), Z AS()
DELETE FROM TBL
WHERE TBL.ID IN (SELECT ID FROM Z);
此作品在甲骨文: WITH X AS(), Y AS(), Z AS()
SELECT * FROM TBL
WHERE TBL.ID IN (SELECT ID FROM
我正在嘗試使用CTE(公用表表達式)的簡單合併語句。但它給出了一個錯誤 MERGE INTO emp targ USING (
*
ERROR at line 4:
ORA-00928: missing SELECT keyword
在合併聲明中不允許CTE?我的Sql如下: WITH cte AS (
SELECT empno, ename
FROM EMP)
MER