tablespace_name ='SYSTEM'; 查看用户默认表空间 select default_tablespace from dba_users where username='SYSTEM'; #查看PDB名称: select name from v$pdbs; #查看links select * from dba_db_links; select * from dba_db_links; #查看数据库模式,可交换状态 select database_role,open_mode, switchover...
一.Oracle表明细及说明1.dba_开头表 dba_users 数据库用户信息 dba_segments 表段信息 dba_extents 数据区信息 dba_objects 数据库对象信息 dba_tablespaces 数据库表空间信息 dba_data_files 数据文件设置信息 db…
1.在Enterprise Manager Database Control 中,单击“Server(服务器)”选项卡,然后 在“Security(安全)”标题下单击“Users(用户)。” 2.选择用户,然后单击“Edit(编辑)”按钮。 3.单击“Roles(角色)”选项卡,然后单击“Edit List(编辑列表)”按钮。 4.在“Available Roles(可用角色)”中选择所需角色,然后将其...
在将现有 Oracle 10g数据库升级到 11g时,可将口令迁移到新标准。可以通过查询 DBA_USERS 视图来检查口令状态,尤其是新的 PASSWORD_VERSIONS 列。 select username, password, password_versions from dba_users; USERNAME PASSWORD PASSWORD --- --- --- SYSTEM 10G 11G SYS 10G 11G MGMT_VIEW 10G 11G 您首先...
– Use Unicode (AL32UTF8)—Select this option to support multiple languages for your database users and database applications. – Choose from the list of character sets—Select this option if you want Oracle Database to use a character set other than the default character set used by the ...
目标端的db_files参数不能小于源端 要迁移的表空间的数据文件必须都是online或者不包含offline的数据文件 检查源数据库和目标库具有重名的表空间 检查是否存在应用用户建在system,sysaux,users上的情况 基于XMLSchema的XMLType对象检查 失效对象检查 迁移对象统计 ...
DB: SQL*Plus: Release 19.0.0.0.0 - Production on Tue Dec 5 15:36:01 2023 Version 19.3.0.0.0 OPatch Version: 12.2.0.1.40 ### 数据库层面: SQL> alter database open read only; Database altered. SQL> SQL> set long 50000 set linesize 500 set...
In your Oracle Autonomous database details page, selectDB Connection. From theDatabase Connectionpage, selectDownload Wallet. Enter a password you would like to use with this wallet, confirm the password, then selectDownload. Configure Oracle ADB credentials ...
Restrict access to application data by privileged users, reducing the risk of insider and outside threats, and address compliance requirements, including separation of duties.
startup mount 选项 (通常启动到这里的目的有recover dtabase ; backup database ; rename db files ,change archivelog mode等) startup open 选项:(打开数据文件,日志文件) startup mount alter database open read only; startup mount alter database open read write; ...