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 @
VARietyN
ame nv
Archar(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 f
rom dbo.品种描述$
group by 品种名称,性状标准编号
o
PEn insert_distinct_cursor
FETCH NEXT FROM insert_distinct_cursor INTO @VarietyName,@StdCharCode
WHILE (@@fetch_
status <> -1)
BE
gin 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