820 B
Executable File
820 B
Executable File
use safeMonitorApp
--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 '%_App' --or TABLE_NAME like '%_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 --创建非聚集索引 --create NONCLUSTERED INDEX 索引名称 ON 表名(字段名) EXEC('create NONCLUSTERED INDEX '+'IX_'+@tbname+ ' ON '+@tbname+ '([deviceId] ASC,[CollectTime] DESC)') --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;