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 sysproperties g
on a.id=g.id AND a.colid = g.smallid
order by a.id,a.colorder