您不能在FROM子句中为更新指定目标表'rinexo'

Question

此查询的输出为我提供了表中的重复行

select * from rinex1 where rid not in 
  (select min(rid) from rinex1 group by rinex_version,type);

现在我想使用此查询

删除它们

delete from rinex1 where rid not in 
  (select min(rid) from rinex1 group by rinex_version,type); 

它出现以下错误：

  

您无法在FROM子句

中为更新指定目标表'rinexo'

我该怎么办？

Answer 1

试，

DELETE FROM rinex1 
WHERE rid NOT IN 
    (SELECT MIN(rid) 
     FROM rinex1 
     GROUP BY rinex_version, type
    ) AS p ;