--声明一个变量  
declare @tbname as nvarchar(100);  
--声明一个游标用来遍历查询到的结果  
declare C_userID CURSOR for  
select distinct TABLE_NAME from information_schema.COLUMNS  
where TABLE_NAME like '%2020_SRC'  
--打开游标  
open C_userID;  
--获取游标指向的数据  
fetch next from C_userID into @tbname;  
while @@FETCH_STATUS = 0  
BEGIN  
--执行具体的操作  
--删除未来的数据  
--DELETE  
--FROM [HiMonitorDB].[dbo].[11350069_STC]  
--WHERE aDatetime \>'2020-02-03'
 
--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)  
EXEC('delete from [safeMonitorSrc].[dbo].['+@tbname+'] where CollectTime\>GETDATE()')  
--游标指向下一条数据  
FETCH next from C_userID into @tbname;  
END  
--关闭游标  
CLose C_userID  
--释放游标  
DEALLOCATE C_userID;

begin tran  
COMMIT  
--声明一个变量  
declare @tbname as nvarchar(100);  
--声明一个游标用来遍历查询到的结果  
declare C_userID CURSOR for  
select distinct TABLE_NAME from information_schema.COLUMNS  
where TABLE_NAME like '%2020_APP'  
--打开游标  
open C_userID;  
--获取游标指向的数据  
fetch next from C_userID into @tbname;  
while @@FETCH_STATUS = 0  
BEGIN  
--执行具体的操作  
--删除未来的数据  
--DELETE  
--FROM [HiMonitorDB].[dbo].[11350069_STC]  
--WHERE aDatetime \>'2020-02-03'
 
--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)  
EXEC('delete from [safeMonitorAPP].[dbo].['+@tbname+'] where CollectTime\>GETDATE()')  
--游标指向下一条数据  
FETCH next from C_userID into @tbname;  
END  
--关闭游标  
CLose C_userID  
--释放游标  
DEALLOCATE C_userID;