sqlserver 脚本生成数据库文档

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