在 SQL 中加入兩個查詢

Question

我有一個簡單的查詢：

SELECT t1.JOB_ID 
FROM 
(
  select 1 as JOB_ID 
  from JOBS2
) as t1 
INNER JOIN 
(
   SELECT 2 AS JOB_ID 
   from JOBS
) as t2 ON t1.JOB_ID = t2.JOB_ID;

我有這個錯誤：

錯誤：ORA-00933：SQL 命令未正確結束

是因為語法嗎？ 或者這是另一個問題？

Answer 1

在子查詢名稱之前刪除 AS

SELECT t1.JOB_ID 
FROM 
(
  select 1 as JOB_ID 
  from JOBS2
) t1 
INNER JOIN 
(
   SELECT 2 AS JOB_ID 
   from JOBS
) t2 ON t1.JOB_ID = t2.JOB_ID;