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,
(case when b.name='nvarchar' then b.name+'('+convert(nvarchar(100),columnproperty(a.id,a.name,'PRECISION'))+')' else b.name end) 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 '是'else '否' 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
--where a.name!='Id' and a.name!='CreatedAt'and a.name!='LastModifiedAt'
--order by d.name,a.id,a.colorder
