SQL throw＆＃34;无效的标识符＆＃34;错误

Question

以下查询会在别名＆＃39; RANKING＆＃39;上抛出"00904. 00000 - "%s: invalid identifier"错误。无法弄清楚为什么这不起作用。如果我消除了＆＃39; WHERE＆＃39;子句，它产生正确的结果。

SELECT RELEASE_NAME, 
 ROW_NUMBER() OVER(ORDER BY START_DATE DESC) AS RANKING
 FROM(
   SELECT RELEASE_NAME, MIN(START_DATE) AS START_DATE FROM RM_TASK_STATUS_VIEW
        WHERE RELEASE_NAME LIKE '%AU%' AND START_DATE IS NOT NULL
        GROUP BY RELEASE_NAME
        ORDER BY START_DATE
  ) 
WHERE RANKING IN (3,4);

Answer 1

创建查询的派生表，并将where子句放在最后。

select * from 
(your query, minus the where clause, goes here) temp
WHERE RANKING IN (3,4);