Sql2005/08 表结构 SQL 语句

SELECT
(case when a.colorder=1 then d.name
--+'('+cast(h.value as nvarchar)+')'
else '' end)表名,
a.colorder 字段序号,
a.name 字段名,
isnull(g.[value],'') AS 字段说明,
(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,
(case when (SELECT count(*)
from sysobjects
WHERE (name in
(SELECT name
from sysindexes
WHERE (id = a.id) AND (indid in
(SELECT indid
from sysindexkeys
WHERE (id = a.id) AND (colid in
(SELECT colid
from syscolumns
WHERE (id = a.id) AND (name = a.name))))))) AND
(xtype = 'PK'))>0 then '√' else '' end) 主键,
b.name 类型,
a.length 占用字节数,
COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,
--isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
(case when a.isnullable=1 then '√'else '' end) 允许空,
isnull(e.text,'') 默认值
from    syscolumns    a left join systypes b
on    a.xtype=b.xusertype
inner join sysobjects d
on a.id=d.id    and    d.xtype='U' and    d.name'sysdiagrams'
left join syscomments e
on a.cdefault=e.id
left join sys.extended_properties g
on a.id=g.major_id AND a.colid = g.minor_id
left join sys.extended_properties h
on a.id=h.major_id AND h.minor_id =0
order by a.id,a.colorder