达梦数据库管理

DM7 查询表空间使用

select
        t.name tablespace_name,
        d.free_size*SF_GET_PAGE_SIZE()/1024/1024
        ||'M' free_space,
        d.total_size*SF_GET_PAGE_SIZE()/1024/1024
        ||'M' total_space,
        d.free_size*100/d.total_size "% FREE"
from
        v$tablespace t,
        v$datafile d
where
        t.id=d.group_id;