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Oracle ACE(Oracle和MySQL数据库方向)
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《MySQL 8.0运维与优化》的作者
拥有 Oracle 10g、12c和19c OCM等数十项数据库认证
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20+年DBA经验,服务2万+客户
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SQL> alter pluggable database freepdb1 open hybrid read only;Pluggable database altered.
[oracle@INSPUR ~]$ sqlplus c##scott/oracle@localhost/freepdb1SQL*Plus: Release 23.0.0.0.0 - Developer-Release on Thu Dec 14 14:40:52 2023Version 23.2.0.0.0Copyright (c) 1982, 2023, Oracle. All rights reserved.Last Successful login time: Thu Dec 14 2023 14:36:50 +08:00Connected to:Oracle Database 23c Free, Release 23.0.0.0.0 - Developer-ReleaseVersion 23.2.0.0.0SQL> insert into scott.tt1 values(1);1 row created.
[oracle@INSPUR ~]$ sqlplus scott/oracle@localhost/freepdb1SQL*Plus: Release 23.0.0.0.0 - Developer-Release on Thu Dec 14 14:39:07 2023Version 23.2.0.0.0Copyright (c) 1982, 2023, Oracle. All rights reserved.Last Successful login time: Thu Nov 23 2023 17:18:12 +08:00Connected to:Oracle Database 23c Free, Release 23.0.0.0.0 - Developer-ReleaseVersion 23.2.0.0.0SQL> insert into scott.tt1 values(1);insert into scott.tt1 values(1)*ERROR at line 1:ORA-16000: Attempting to modify database or pluggable database that is open forread-only access.

SQL> col con_name format a10SQL> select con_name,OPEN_MODE,IS_HYBRID_READ_ONLY from V$CONTAINER_TOPOLOGY;CON_NAME OPEN_MODE IS_HYBRID---------- ------------------------------ ---------FREEPDB1 READ WRITE YES
顺便说一下,从 Oracle Database 21c 开始,Oracle Database 只能作为多租户 CDB 数据库可用,对非 CDB 数据库的支持已停止。
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