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