发布网友 发布时间:2022-04-27 00:36
共1个回答
热心网友 时间:2022-04-12 15:34
需要有dba的权限1、查看用户使用的缺省表空间名称你一定知道你登陆的用户名是吧,以sysdba登陆。sqlplus / as sysdbaselect username,default_tablespace from dba_users;2、查看表空间总大小,及其已使用大小select a.tablespace_name,a.bytes/1024/1024 "Sum MB",(a.bytes-b.bytes)/1024/1024 "used MB",b.bytes/1024/1024 "free MB",round(((a.bytes-b.bytes)/a.bytes)*100,2) "percent_used"from(select tablespace_name,sum(bytes) bytes from dba_data_files group by tablespace_name) a,(select tablespace_name,sum(bytes) bytes,max(bytes) largest from dba_free_space group by tablespace_name) b