SELECT

TableName = OBJECT_NAME(c.object_id),

ColumnsName = c.name,

Description = ex.value,

ColumnType=t.name,

Length=c.max_length

FROM

sys.columns c

LEFT OUTER JOIN

sys.extended_properties ex

ON

ex.major_id = c.object_id

AND ex.minor_id = c.column_id

AND ex.name = 'MS_Description'

left outer join

systypes t

on c.system_type_id=t.xtype

WHERE

OBJECTPROPERTY(c.object_id, 'IsMsShipped')=0

AND OBJECT_NAME(c.object_id) ='tablename' 

--1.获取所有数据库名:

Select Name FROM Master..SysDatabases orDER BY Name

--2.获取所有表名:

Select Name FROM DatabaseName..SysObjects Where XType='U' orDER BY Name

XType='U':表示所有用户表;

XType='S':表示所有系统表;

--3.获取所有字段名:

Select Name FROM SysColumns Where id=Object_Id('TableName')