SELECT
(case when a.colorder=1 then d.name else \'\' end)表名,
a.colorder 字段序号,
a.name 字段名,
(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,
isnull(g.[value],\'\') AS 字段说明
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<>\'dtproperties\'
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
order by a.id,a.colorder