获取SqlServer2005表结构(字段，主键，外键，递增，描述)
2005

Select     col.[name]  as '字段名',    col.[length]as '长度'  ,    type.[name] as '类型'  ,    pro.value   as '描述'   From syscolumns as col Left Join systypes as type on col.xtype = type.xtype Left Join sysProperties as pro on col.id = pro.id and col.colid = pro.smallid where col.id = (Select id From Sysobjects Where name = 'table name') 

具体参见:
http://www.cnblogs.com/eflylab/archive/2008/06/23/1227838.html