mssql中获取表的备注和字段的备注

use test--

go

select
    [表名]=c.Name,
    [表说明]=isnull(f.[value],''),
    [列名]=a.Name,
    [列序号]=a.Column_id,
    [标志]=case when is_identity=1 then '√' else '' end,
    [主键]=case when exists(select 1 from sys.objects where parent_object_id=a.object_id and type=N'PK' and name in
                    (select Name from sys.indexes where index_id in
                    (select indid from sysindexkeys where ID=a.object_id and colid=a.column_id)))
                    then '√' else '' end,
    [类型]=b.Name,
    [字节数]=case when a.[max_length]=-1 and b.Name!='xml' then 'max/2G'
            when b.Name='xml' then ' 2^31-1字节/2G'
            else rtrim(a.[max_length]) end,
    [长度]=ColumnProperty(a.object_id,a.Name,'Precision'),
    [小数]=isnull(ColumnProperty(a.object_id,a.Name,'Scale'),0),
    [是否为空]=case when a.is_nullable=1 then '√' else '' end,
    [列说明]=isnull(e.[value],''),
    [默认值]=isnull(d.text,'')   
from
    sys.columns a
left join
    sys.types b on a.user_type_id=b.user_type_id
inner join
    sys.objects c on a.object_id=c.object_id and c.Type='U'
left join
    syscomments d on a.default_object_id=d.ID
left join
    sys.extended_properties e on e.major_id=c.object_id and e.minor_id=a.Column_id and e.class=1
left join
    sys.extended_properties f on f.major_id=c.object_id and f.minor_id=0 and f.class=1