茂名高州:请教一条删除的SQL语句
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如何从表table1中删除,字段ip相同的记录,但要保留一条,不能全删除了。
select distinct * into #Tmp from table1
drop table table1
select * into table1 from #Tmp
drop table #Tmp
呵呵,相互转了一下哈,厉害厉害
select distinct * into #Tmp from table1
drop table table1
select * into table1 from #Tmp
drop table #Tmp
呵呵,相互转了一下哈,厉害厉害