我正在尝试使用CTE删除真实的重复项,但是我得到了下面的错误。
ERROR: syntax error at or near "DELETE"
LINE 60: DELETE FROM CTE where row_num=2;
^
********** Error **********
ERROR: syntax error at or near "DELETE"
SQL state: 42601
Character: 1125
我的代码是-
WITH CTE AS (select ROW_NUMBER() OVER( PARTITION BY column1,
column2,
column3
ORDER BY column2 DESC, column3 asc ) AS row_num,
column1,
column2,
column3
column4
load_feed_num
from MT_TABLE_NAME
where column2='some value here')
DELETE FROM CTE where row_num=2;
如果我用SELECT * FROM CTE where row_num=2;
替换DELETE FROM CTE where row_num=2;
。
我马上就能得到结果。我错过了什么吗?
https://stackoverflow.com/questions/55384677
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