表sysdatabases：保存DBMS中數(shù)據(jù)庫(kù)信息 select [name] from [sysdatabases] order by [name] 就能得到該DBMS中的數(shù)據(jù)庫(kù)信息
表sysobjects：保存數(shù)據(jù)庫(kù)中數(shù)據(jù)表信息 con.ChangeDatabase(DBName) select [id],[name] from [sysobjects] where [type]='u',con 就能得到該數(shù)據(jù)庫(kù)的表信息
表syscolumns：保存數(shù)據(jù)表的列信息 select [name] from [syscolumns] where [id]="從sysobjects中獲取該表的id" 就能得到該表的列信息
