sqlserver 脚本生成数据库文档

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

------sqlserver 查询某个表的列名称、说明、备注、类型等
SELECT 
    表名       = case when a.colorder=1 then d.name else '' end,
    表说明     = case when a.colorder=1 then isnull(f.value,'') else '' end,
    字段序号   = a.colorder,
    字段名     = a.name,
    标识       = case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
    主键       = case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (
                     SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '√' else '' end,
    类型       = b.name,
    占用字节数 = a.length,
    长度       = COLUMNPROPERTY(a.id,a.name,'PRECISION'),
    小数位数   = isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
    允许空     = case when a.isnullable=1 then '√'else '' end,
    默认值     = isnull(e.text,''),
    字段说明   = isnull(g.[value],'')
FROM 
    syscolumns a
left join 
    systypes b 
on 
    a.xusertype=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  
left join
sys.extended_properties f
on 
    d.id=f.major_id and f.minor_id=0
-- where 
--     d.name='Sys_User'    --如果只查询指定表,加上此where条件，tablename是要查询的表名；去除where条件查询所有的表信息
order by d.name,
    a.id,a.colorder