Update from Sync Service

数据库知识库/工具脚本/循环批量删除数据库表.md

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+--创建临时表  
+create table #Man(  
+id int identity(1,1),  
+tbName nvarchar(50)  
+)   --往临时表插入数据  
+insert into #Man  
+select name from sys.tables  
+where create_date\<='2018-03-10 15:36:35.687' and name not in ('DeviceNetState','EphInfo','FilterStatistic','UserInfo','AlmInfo')  
+order by create_date desc
+ 
+--确认  
+select * from #Man
+ 
+commit  
+rollback  
+begin tran
+   
+
+--定义循环变量  
+declare @i int  
+set @i = 1  
+declare @count int  
+select @count = count(*) from #Man
+ 
+--print @count
+ 
+declare @str nvarchar(500)  
+declare @tb nvarchar(50)
+ 
+while(@i \<= @count) begin
+ 
+select @tb = isnull(tbName, '') from #Man where id = @i  
+--循环执行语句  
+set @str = 'drop table [' + @tb+ ']'  
+exec(@str)
+ 
+set @str = ''  
+set @i = @i + 1  
+end