select * into tmpA from dbo.品种描述$ where 1=2--创建完毕 在数据表中，品种名称,性状标准编号这两个字段不能有重复值，执行下述脚本： declare @VarietyName nvarchar(255), @StdCharCode nvarchar(255), @iCount int set @iCount=0; declare insert_distinct_cursor cursor for select 品种名称,性状标准编号 from dbo.品种描述$ group by 品种名称,性状标准编号 open insert_distinct_cursor FETCH NEXT FROM insert_distinct_cursor INTO @VarietyName,@StdCharCode WHILE (@@fetch_status <> -1) BEGIN IF (@@fetch_status <> -2) BEGIN insert into dbo.tmpA (品种名称,性状标准编号,代码) select top 1 品种名称,性状标准编号,代码 from dbo.品种描述$ where 品种名称=@VarietyName and 性状标准编号=@StdCharCode; set @iCount=@iCount+1; END FETCH NEXT FROM insert_distinct_cursor INTO @VarietyName,@StdCharCode END CLOSE insert_distinct_cursor DEALLOCATE insert_distinct_cursor print @iCount