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