将订单更改为quicklabdumpid DESC
。
WITH cte as(
SELECT ROW_NUMBER() OVER (PARTITION BY [specimen id]
ORDER BY quicklabdumpid DESC ) RN
FROM quicklabdump)
delete from cte where RN>1
通过SQL Server使用分区删除重复项
将订单更改为quicklabdumpid DESC
。
WITH cte as(
SELECT ROW_NUMBER() OVER (PARTITION BY [specimen id]
ORDER BY quicklabdumpid DESC ) RN
FROM quicklabdump)
delete from cte where RN>1