qq_37312838的博客

--创建用户 testuser 密码 123456 create user testuser identified by 123456; grant resource,connect to testuser ; grant select any dictionary to testuser ; grant select any sequence to testuser ; grant sel...

--1、查看表空间的名称及大小 SELECT t.tablespace_name, round(SUM(bytes / (1024 * 1024)), 0) ts_size FROM dba_tablespaces t, dba_data_files d WHERE t.tablespace_name = d.tablespace_name GROUP BY t.tablespace_...