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  • 12c PDB如何跟随CDB一起启动

    一、需求

    12c DB创建后,PDB如何跟随CDB一起启动!

    二、参考

    三、测试

    12.2 DB test
    SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 2 PDB$SEED READ ONLY NO 3 C11PDB READ WRITE NO SQL> select con_name, state from dba_pdb_saved_states; no rows selected

    SQL> ALTER PLUGGABLE DATABASE C11PDB SAVE STATE;

    select con_name, state from dba_pdb_saved_states

    CON_NAME STATE
    ------------------------------ ----------------------------
    C11PDB OPEN

    重启之后,确认PDB跟随CDB自启动

    其它相关命令

    取消PDB跟随CDB自启动

    alter pluggable database HYDB discard state;

    指定所有PDB跟随CDB自启动

    ALTER PLUGGABLE DATABASE ALL SAVE STATE;

    指定某些PDB跟随CDB自启动

    ALTER PLUGGABLE DATABASE PDB1 , PDB2 SAVE STATE;

    指定所有PDB(排除指定的部分PDB之外)跟随CDB自启动

    ALTER PLUGGABLE DATABASE ALL EXCEPT PDB3, PDB4 SAVE STATE;

    其它相关信息,如果是12.1 没有这个命令!  可以通过如下创建触发器解决问题!

    How To Automate The Opening Of Pluggable Databases After The CDB Starts Up? (Doc ID 1585529.1)    
    Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
    Create a database startup trigger to open all pluggable databases.
    
    sqlplus / as sysdba
    create or replace trigger open_all_pdbs
     after startup on database
    begin
     execute immediate 'alter pluggable database all open';
    end;
    /
    Or to selectively startup pluggable databases, use separate commands for each.
    
    create or replace trigger open_all_pdbs
     after startup on database
    begin
     execute immediate 'alter pluggable database MYCDB1 open';
     execute immediate 'alter pluggable database MYCDB2 open';
    end;
    /

    注意:Oracle 12.2 dg环境主库设置后,dg也需要单独设置,不是同步主库的自启动! 

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  • 原文地址:https://www.cnblogs.com/lvcha001/p/14480143.html
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