--查看所有的數據庫信息;
select * from master..sysdatabases
exec sp_helpdb
--查看某數據庫中的所有用戶表;
select name from northwind..sysobjects where xtype='u'
--查詢某表中所有列名;
select name from syscolumns where id=object_id('news')
--查看某觸發器SQL腳本代碼;
select text from syscomments where id=object_id('NS')
exec sp_helptext 'NS'
--查看某數據庫的具體情況;
select * from sysfiles
exec sp_spaceused
exec sp_helpdb 'NewsSystem'
--查看某表的完整結構;
exec sp_help 'news'
exec sp_msforeachtable