SELECT

表名
= case when a.colorder=1 then d.name else '' end,
表说明
= case when a.colorder=1 then isnull(f.value,'') else '' end,
字段序号
= a.colorder,
字段名
= a.name,
标识
= case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
主键
= case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (
SELECT name FROM sysindexes WHERE indid in(
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '√' else '' end,
类型
= b.name,
占用字节数 = a.length,
长度
= COLUMNPROPERTY(a.id,a.name,'PRECISION'),
小数位数
= isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空
= case when a.isnullable=1 then '√'else '' end,
默认值
= isnull(e.text,''),

字段说明
= isnull(g.[value],'')
FROM

syscolumns a
left join

systypes b

on

a.xusertype=b.xusertype
inner join

sysobjects d

on

a.id=d.id
and d.xtype='U' and
d.name<>'dtproperties'
left join

syscomments e

on

a.cdefault=e.id
left join

sysproperties g

on

a.id=g.id and a.colid=g.smallid

left join

sysproperties f

on

d.id=f.id and f.smallid=0
where

d.name='Proforma_Invoice_Detail'
--如果只查询指定表,加上此条件
order by

a.id,a.colorder

下面这个是Sqlserver 2005版的
select
--[表名]=c.Name,
[表说明]=isnull(f.[value],''),
[列名]=a.Name,
[列序号]=a.Column_id,
[标识]=case when is_identity=1 then '√' else '' end,
[主键]=case when exists(select 1 from sys.objects x join sys.indexes y on x.Type=N'PK' and x.Name=y.Name
join sysindexkeys z on z.ID=a.Object_id and z.indid=y.index_id and z.Colid=a.Column_id)
then '√' else '' end,
[类型]=b.Name,
[字节数]=case when a.[max_length]=-1 and b.Name!='xml' then 'max/2G'
when b.Name='xml' then '2^31-1字节/2G'
else rtrim(a.[max_length]) end,
[长度]=case when ColumnProperty(a.object_id,a.Name,'Precision')=-1 then '2^31-1'
else rtrim(ColumnProperty(a.object_id,a.Name,'Precision')) end,
[小数]=isnull(ColumnProperty(a.object_id,a.Name,'Scale'),0),
[是否为空]=case when a.is_nullable=1 then '√' else '' end,
[列说明]=isnull(e.[value],''),
[默认值]=isnull(d.text,'')
from
sys.columns a
left join
sys.types b on a.user_type_id=b.user_type_id
inner join
sys.objects c on a.object_id=c.object_id and c.Type='U'
left join
syscomments d on a.default_object_id=d.ID
left join
sys.extended_properties e on e.major_id=c.object_id and e.minor_id=a.Column_id and e.class=1
left join sys.extended_properties f on f.major_id=c.object_id and f.minor_id=0 and f.class=1
where c.name='quotetable' --这里加上要查的表名