--表空间查看 SELECT tbs, sum(totalM) as total, sum(usedM) as UserdM, sum(remainedM) as remainedM, as UserdPercent, as remainedPercent FROM( SELECT b.file_id ID, b.tablespace_name tbs, b.file_name name, b.bytes totalM, (b.bytes))) usedM, )) remainedM, )),…