--去掉重复的记录
select ID,Code,ColorNum from( SELECT ROW_NUMBER() OVER( PARTITION BY Code+ColorNum ORDER BY Code+ColorNum ) rn, ID,Code,ColorNum FROM TwoColumns) awherea.rn=1order by ID
SELECT
a.id,
a.name,
a.billno ,
a.billtype ,
a.msg,
a.create_time,
a.create_by
FROM
(SELECT
ROW_NUMBER() OVER(
PARTITION BY billno+billtype
ORDER BY billno+billtype
) rn,
ID,billno,billtype,msg,create_time,create_by,name
FROM ERP_KINGDEE_SYNC_ERR_LOG) a
WHERE
a.create_time BETWEEN ‘2019-10-1 00:00:00‘
AND ‘2019-10-31 23:59:59‘
AND a.msg LIKE ‘%单生产入库单，编码唯??%‘
AND a.rn=1
这里面ID为002和005的记录是重复的，在这里要把其中一条去掉，达到下面的效果：
原文：https://www.cnblogs.com/gzhbk/p/11751269.html