SqlSever查询某个表的列名称、说明、备注、注释，类型等

直接上代码

------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='SysAdmin'    --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 
    a.id,a.colorder

转（https://www.cnblogs.com/qy1234/p/9044275.html）