查询建立时间

--表

select * from sysobjects where id=object_id(N'表名') and xtype='U'  

--表的结构   

select * from syscolumns where id=object_id(N'表名')     

--存储过程   

select * from sysobjects where id=object_id(N'存储过程名') and xtype='P'  

查询最后修改时间

--存储过程

select name,modify_date from sys.all_objects where type='P' order by modify_date desc

--触发器

select name,modify_date from sys.all_objects where type='TR' order by modify_date desc

--表

select * from sys.all_objects where type='u' order by modify_date desc