查询所有的数据库1select [name] from [sysdatabases] order by [name] 查询一个数据库中的所有表『 [type] = ‘u‘ 是用户表,[type] = ‘s‘是系统表』1select [id], [name] from [sysobjects] where [type] = ‘u‘ 根据上个语句的查询结果然后再查询一个表中的所有字段 1select [name] from [syscolumns] where [id] = 1931153925