• 在多租户(容器)数据库中如何创建PDB:方法4 克隆远程Non-CDB


    基于版本:19c (12.2.0.3) AskScuti

    创建方法:克隆远程Non-CDB(从 Non-CDB 中进行远程克隆)。将 非CDB数据库PROD1 远程克隆为 CDB1 中的 PDB7

    对应路径:Creating a PDB --> Cloning --> Remotely --> From a Non-CDB

     在容器数据库CDB里面如何创建PDB,官方文档给出了一张创建PDB技术选项图,图片如下:

    内容总览

    1. 概述

    2. 源数据库PROD1设置只读

    3. 编辑TNSNAMES.ora

    4. 创建DBLINK

    5. 远程克隆PROD1

    6. 执行noncdb_to_pdb.sql脚本

    7. 打开PDB7

    1. 概述

    克隆远程Non-CDB的意思是指:被克隆的源数据库为非CDB数据库(12c之前版本称之为 Non-CDB),通过DBLink方式进行克隆。

    2. 源数据库PROD1设置只读

    SQL> shutdown immediate;
    Database closed.
    Database dismounted.
    ORACLE instance shut down.
    SQL> startup mount;
    ORACLE instance started.
    
    Total System Global Area 1241513488 bytes
    Fixed Size             8896016 bytes
    Variable Size         318767104 bytes
    Database Buffers      905969664 bytes
    Redo Buffers            7880704 bytes
    Database mounted.
    SQL> alter database open read only;
    
    Database altered.

    3. 编辑TNSNAMES.ora

    PROD1 =
      (DESCRIPTION =
        (ADDRESS_LIST =
          (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.14)(PORT = 1521))
        )
        (CONNECT_DATA =
          (SERVER = DEDICATED)
          (SERVICE_NAME = PROD1)
        )
      )

    4. 创建DBLINK

    SQL> create database link link_prod1 connect to system identified by oracle using 'PROD1';
    
    Database link created.

    5. 远程克隆PROD1

    SQL> create pluggable database pdb7 from NON$CDB@link_prod1 create_file_dest='/u01/app/oracle/oradata/CDB1/pdb7';
    
    Pluggable database created.

    如果报错如下:

    SQL> create pluggable database pdb7 from NON$CDB@link_prod1 create_file_dest='/u01/app/oracle/oradata/CDB1/pdb7';
    create pluggable database pdb7 from NON$CDB@link_prod1 create_file_dest='/u01/app/oracle/oradata/CDB1/pdb7'
    *
    ERROR at line 1:
    ORA-17628: Oracle error 1031 returned by remote Oracle server
    ORA-01031: insufficient privileges

    到源数据库里面针对PROD1数据库,授权SYSTEM用户 create pluggable database 权限即可。

    SQL> shutdown immediate;
    SQL> startup;
    SQL> select * from dba_sys_privs where GRANTEE='SYSTEM';
    
    GRANTE PRIVILEGE                ADM COM INH
    ------ ------------------------ --- --- ---
    SYSTEM GLOBAL QUERY REWRITE     NO  YES YES
    SYSTEM CREATE TABLE             NO  YES YES
    SYSTEM DEQUEUE ANY QUEUE        YES YES YES
    SYSTEM ENQUEUE ANY QUEUE        YES YES YES
    SYSTEM SELECT ANY TABLE         NO  YES YES
    SYSTEM MANAGE ANY QUEUE         YES YES YES
    SYSTEM UNLIMITED TABLESPACE     NO  YES YES
    SYSTEM CREATE MATERIALIZED VIEW NO  YES YES
    
    SQL> grant create pluggable database to system;
    
    Grant succeeded.
    
    SQL> select * from dba_sys_privs where GRANTEE='SYSTEM';
    
    GRANTE PRIVILEGE                ADM COM INH
    ------ ------------------------- --- --- ---
    SYSTEM CREATE PLUGGABLE DATABASE NO  NO  NO
    SYSTEM GLOBAL QUERY REWRITE      NO  YES YES
    SYSTEM CREATE TABLE              NO  YES YES
    SYSTEM DEQUEUE ANY QUEUE         YES YES YES
    SYSTEM ENQUEUE ANY QUEUE         YES YES YES
    SYSTEM SELECT ANY TABLE          NO  YES YES
    SYSTEM MANAGE ANY QUEUE          YES YES YES
    SYSTEM UNLIMITED TABLESPACE      NO  YES YES
    SYSTEM CREATE MATERIALIZED VIEW  NO  YES YES
    
    SQL> shutdown immediate;
    SQL> startup mount;
    SQL> alter database open read only;
    
    Database altered.

    6. 执行noncdb_to_pdb.sql脚本

    SQL> alter session set container=pdb7;
    
    SQL> @$ORACLE_HOME/rdbms/admin/noncdb_to_pdb.sql

     7. 打开PDB7

    SQL> alter pluggable database pdb7 open;
    
    Pluggable database altered.
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  • 原文地址:https://www.cnblogs.com/askscuti/p/11341732.html
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