SQLServer (多表左连接,指定操作某几行)
SELECT
*
FROM
表1
LEFT
JOIN
表2
ON
表1.关联字段=表2.关联字段
LEFT
JOIN
表3
ON
(表1/表2).关联字段=表3.关联字段
WHERE
条件
delete from [HYMSDT].[dbo].[T_Station] where Sta_Guid in (select top 8 Sta_Guid from [HYMSDT].[dbo].[T_Station] order by Sta_Guid desc)