这时候如果临时表中有重复数据，无论是主键字段businessid有重复，还是一整行有重复都会报出违反唯一主键约束错误。方法：group by XX having count(*)>1,rowid,distinct,temporary table,procedure1、查询表中的重复数据a.重复一个字段b.重复多个..
有以下一个表movestar(id,name,title,address)，内容为：现在要查找所有具有相同的title和address的人复制代码 代码如下:select star1.name,star2.name,star1.title,star1.address from movestar as star1,movestar as star2 where star1.title = s..
SELECT ps.name AS PSName, dds.destination_idAS PartitionNumber, fg.name AS FileGroupName,fg.name,t.name,f.name as filenameFROM (((sys.tables AS tINNER JOIN sys.indexes AS iON (t.object_id = i.object_id)) INNER JOIN sys.partition_s..
复制代码 代码如下:rem made by correy rem made at 2007.9.22 rem it can be delete you computer's the follow things(except cd,dvd) rem it can be delete empty file and folder rem it can be delete .tmp ._mp .log .gid .chk .old file rem..
