对象权限

select owner,

table_name,

grantor,

privilege,

grantable,

hierarchy,

'TABLE' /*o.*/ object_type

from dba_tab_privs p

where p.grantee = 'HR'

order by p.owner, p.table_name;

角色

select granted_role, admin_option, default_role

from dba_role_privs

where grantee = 'HR'

order by granted_role;

系统权限

select privilege, admin_option

from dba_sys_privs

where grantee = 'HR'

order by privilege;

表空间限额

select * from dba_ts_quotas where username = 'SYSMAN' order by tablespace_name;

用户或系统角色对应的权限

select * from role_sys_privs where role = 'RESOURCE'

数据库所有的系统权限名称

select DISTINCT NAME from system_privilege_map t WHERE T.NAME LIKE '%SELECT%'

df -h 磁盘空间使用率

show parameter log_archive_format

查看用户的概要文件

select username, profile from dba_users where username='SCOTT';

查看相应概要文件的各项设置

select resource_name, limit from dba_profiles where profile = 'DEFAULT';

修改相应的概要文件选项

ALTER PROFILE "DEFAULT" LIMIT CONNECT_TIME 30; 最大连接时间30分钟

ALTER PROFILE "DEFAULT" LIMIT FAILED_LOGIN_ATTEMPTS 3; 最大登录尝试次数 3次

rman 启动自动备份控制文件功能

show all;

CONFIGURE CONTROLFILE AUTOBACKUP clear; #清除设置 恢复为默认值

configure controlfile autobackup on; #设置为自动备份控制文件

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 30 DAYS; #修改保留策略为保留30天

backup archivelog all; 备份归档日志

backup tablespace users; 备份users表空间

backup datafile 3; 备份数据文件

backup incremental level 0 database; 零级备份

backup incremental level 1 database; 一级差异增量

backup incremental level 1 cumulative database format '/oradata/bak/dblevel1.bak'; 一级累计增量

backup as compressed backupset datafile 4; 以压缩方式备份数据文件 4

归档空间满时的处理办法

rm *.arc 先用操作系统命令手工删除部分归档文件

rman target /

change archivelog all validate;

delete noprompt expired archivelog all;

RUN { EXECUTE SCRIPT b_whole_10; } 执行rman的脚本