Oracle 创建PDB的几种常用方法

news2024/7/4 5:10:05

PDB是运行在PDB上的一个数据库,各个PDB是独立运行的。在CDB中创建、删除、迁移PDB是非常方便的事情。不会对其它CDB和PDB产生任何影响。

CREATE PDB METHOD

创建PDB的简要说明

  • 利用Seed(种子)模板来创建

默认方法,使用PDB Seed或应用程序的模板文件夹创建PDB。将模板复制到一个新的目录,并将新的文件与新的PDB进行关联。

  • 复制已有的PDB/Non-CDB

通过复制PDB或Non-CDB来创建PDB。源库可以是本地CDB中的PDB、远端CDB中的PDB、本地或远端应用程序容器中的PDB、Non-CDB 。此方法将源端相关的文件复制到新的目录,然后与新的PDB进行关联。

  • 将PDB迁移到另一个CDB

通过将PDB从一个CDB中迁移到另一个CDB中来进行创建新的PDB。此方法将与PDB相关的文件移动到一个新的目录,而不是复制

  • 将Unplug的PDB插入到CDB中

通过使用PDB的XML元数据文件夹来创建PDB,并将其插到CDB中。XML文件中记录了PDB的详细配置信息。

  • 从Non-CDB创建PDB,并插入到CDB中

利用DBMS_PDB包将Non-CDB创建为PDB并插到CDB中。

CREATE PDB Condition

  • CDB必须存在且处于读写模式
  • 当前用户必须是公告用户,并且当前的容器必须是CDB root或应用程序容器。
  • 当前用户必须有CREATE PLUGGABLED DATABASE权限
  • PDB名称不能和已存在的PDB名称重复
  • 其它额外限制。比如DataGuard环境下创建PDB,必须进行更多额外的设置。

Use Seed template to Create PDB

查看PDB数据库的默认表空间

SQL> 
SQL> select tablespace_name,status,contents from dba_tablespaces;

TABLESPACE_NAME                STATUS    CONTENTS
------------------------------ --------- ---------------------
SYSTEM                         ONLINE    PERMANENT
SYSAUX                         ONLINE    PERMANENT
UNDOTBS1                       ONLINE    UNDO
TEMP                           ONLINE    TEMPORARY
USERS                          ONLINE    PERMANENT
SQL> show user;
USER is "SYS"

查看默认创建的表空间的对应的数据文件

SQL> show user;
USER is "SYS"
SQL> select name from v$datafile;

NAME
----------------------------------------------------------------------------------------------------
/u02/oradata/CDB1/system01.dbf
/u02/oradata/CDB1/sysaux01.dbf
/u02/oradata/CDB1/undotbs01.dbf
/u02/oradata/CDB1/pdbseed/system01.dbf
/u02/oradata/CDB1/pdbseed/sysaux01.dbf
/u02/oradata/CDB1/users01.dbf
/u02/oradata/CDB1/pdbseed/undotbs01.dbf
/u02/oradata/CDB1/pdb1/system01.dbf
/u02/oradata/CDB1/pdb1/sysaux01.dbf
/u02/oradata/CDB1/pdb1/undotbs01.dbf
/u02/oradata/CDB1/pdb1/users01.dbf
/u02/oradata/CDB1/pdb2/system01.dbf
/u02/oradata/CDB1/pdb2/sysaux01.dbf
/u02/oradata/CDB1/pdb2/undotbs01.dbf
/u02/oradata/CDB1/pdb2/users01.dbf

15 rows selected.

SQL> 
[oracle@oracle-db-19c ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Nov 29 08:51:58 2022
Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.3.0.0.0

SQL> set pagesize 200
SQL> set linesize 200
SQL> 
SQL> CREATE PLUGGABLE DATABASE cndbapdb 
  2    ADMIN USER cndbaadm IDENTIFIED BY cndbaadm
  3    STORAGE (MAXSIZE 2G)
  4    DEFAULT TABLESPACE cndba 
  5      DATAFILE '/u02/oradata/CDB1/cndbapdb/cndba01.dbf' SIZE 150M AUTOEXTEND ON
  6    PATH_PREFIX = '/u02/oradata/CDB1/cndbapdb/'
  7    FILE_NAME_CONVERT = ('/u02/oradata/CDB1/pdbseed/', '/u02/oradata/CDB1/cndbapdb/');

Pluggable database created.

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
SQL> 

上述实验创建了一个名为CNDBAPDB的PDB和一个具有PDB_DBA角色的cndbaadm管理用户,将DBA权限赋给cndbaadm管理用户,将DBA权限赋给PDB_DBA角色,限制PDB可以使用的空间大小为2GB,创建的表空间为cndba,并设置为默认表空间。


SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
SQL> alter pluggable database CNDBAPDB open;

Pluggable database altered.

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       READ WRITE NO
SQL> select name from v$datafile where con_id=5;

NAME
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u02/oradata/CDB1/cndbapdb/system01.dbf
/u02/oradata/CDB1/cndbapdb/sysaux01.dbf
/u02/oradata/CDB1/cndbapdb/undotbs01.dbf
/u02/oradata/CDB1/cndbapdb/cndba01.dbf

SQL> select name from v$tempfile where con_id=5;

NAME
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u02/oradata/CDB1/cndbapdb/temp012022-11-02_15-16-24-663-PM.dbf

SQL> select name,con_id,dbid from v$containers;

NAME                                                                                                                                 CON_ID       DBID
-------------------------------------------------------------------------------------------------------------------------------- ---------- ----------
CDB$ROOT                                                                                                                                  1 1093429351
PDB$SEED                                                                                                                                  2 2760955567
PDB1                                                                                                                                      3 2714456025
PDB2                                                                                                                                      4 3722518118
CNDBAPDB                                                                                                                                  5  874005088

SQL> 

COPY PDB

复制PDB就是用已经存在的数据库作为模板创建一个结构和数据(可以不复制数据)相同的PDB。复制期间如果想要保持源数据库正常运行,则源数据库必须处于归档模式且本地UNDO模式。

  • Local PDB
  • Remote PDB
  • Non-CDB

1.使用CREATE PLUGGABLE DATABASE 命令创建PDB

CREATE PLUGGABLE DATABASE pdb2 from pdb1
FILE_NAME_CONVERT = ('/u02/oradata/CDB1/pdb1','/u02/oradata/CDB1/pdb2');

Note:若CDB没有启动local UNDO模式,则源PDB必须以只读模式打开。
         若CDB是本地UNDO模式,则可以以读写模式打开。

        若没有启用OMF,则需要指定FILE_NAME_CONVERT参数。

如何打开读写模式:

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
SQL> alter pluggable database CNDBAPDB open;

Pluggable database altered.

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       READ WRITE NO
SQL>

如何启用OMF:

Enable Oracle Managed File (OMF) to simplify the creation of databases and database files.

SQL> ALTER SYSTEM SET DB_CREATE_FILE_DEST='/u02/oradata' SCOPE=BOTH;

System altered.

 Enable autostart of Pluggable databases with startup of Container Database.

SQL> ALTER PLUGGABLE DATABASE PDB1 SAVE STATE;

Pluggable database altered.

如果不想复制源PDB中表的数据,又想限制PDB可使用的总空间大小,则可以使用如下语句:

SQL> CREATE PLUGGABLE DATABASE cndbapdb2 from cndbapdb
  2  FILE_NAME_CONVERT = ('/u02/oradata/CDB1/cndbapdb/', '/u02/oradata/CDB1/cndbapdb2/')
  3    STORAGE (MAXSIZE 2G)
  4    NO DATA;

Pluggable database created.

SQL>

2.利用Local PDB 快照创建PDB

1.手动创建快照

确认SNAPSHOT模式为MANUAL,语句如下:

SQL> set pagesize 200
SQL> set linesize 200
SQL> select PDB_NAME,snapshot_mode "s_mode",snapshot_interval/60 "snap_int_hrs" from DBA_PDBS;

PDB_NAME                                                                                                                         s_mode snap_int_hrs
-------------------------------------------------------------------------------------------------------------------------------- ------ ------------
PDB1                                                                                                                             MANUAL
PDB$SEED                                                                                                                         MANUAL
PDB2                                                                                                                             MANUAL
CNDBAPDB                                                                                                                         MANUAL
CNDBAPDB2                                                                                                                        MANUAL

SQL>

连接到cndbapdb

SQL> alter session set container=cndbapdb;

Session altered.

SQL> 

创建snapshot:

SQL> ALTER PLUGGABLE DATABASE SNAPSHOT cndbapdb_snap1129;
ALTER PLUGGABLE DATABASE SNAPSHOT cndbapdb_snap1129
*
ERROR at line 1:
ORA-12754: Feature PDB SNAPSHOT CAROUSEL is disabled due to missing capability .


SQL> show parameter compatible

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
compatible                           string      19.0.0
noncdb_compatible                    boolean     FALSE
SQL> alter session set container=cdb$root;

Session altered.

SQL> alter system set "_exadata_feature_on"=true scope=spfile;

System altered.

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area  629145392 bytes
Fixed Size                  9137968 bytes
Variable Size             377487360 bytes
Database Buffers          234881024 bytes
Redo Buffers                7639040 bytes
Database mounted.
Database opened.
SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
         7 CNDBAPDB2                      MOUNTED
SQL> show parameter compatible

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
compatible                           string      19.0.0
noncdb_compatible                    boolean     FALSE
SQL> alter session set container=cndbapdb;

Session altered.

SQL> ALTER PLUGGABLE DATABASE SNAPSHOT cndbapdb_snap1129;
ALTER PLUGGABLE DATABASE SNAPSHOT cndbapdb_snap1129
*
ERROR at line 1:
ORA-65036: pluggable database CNDBAPDB not open in required mode


SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         5 CNDBAPDB                       MOUNTED
SQL> alter pluggable database CNDBAPDB open;

Pluggable database altered.

SQL> ALTER PLUGGABLE DATABASE SNAPSHOT cndbapdb_snap1129;

Pluggable database altered.

SQL> 

(2) 利用前面创建的snapshot创建PDB;

SQL> conn / as sysdba
Connected.
SQL> show user;
USER is "SYS"
SQL> CREATE PLUGGABLE DATABASE cndbapdb3 from cndbapdb using snapshot cndbapdb_snap1129;

Pluggable database created.

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       READ WRITE NO
         6 CNDBAPDB3                      MOUNTED
         7 CNDBAPDB2                      MOUNTED
SQL> 

复制remote PDB

如果复制的是远端的PDB,则必须使用DBLINK来复制,并且DBLINK是存在于本地CDB中的,而不是存在于远端CDB中的。

1.复制远端PDB的必要条件

(1) 当前操作用户必须具有CREATE PLUGGABLE DATABASE 的系统权限。

(2)源端和目标端都必须满足:

  • 同样的字节存储顺序(Endian)
  • 源端平台上安装的数据库组件必须和目标端平台上安装的数据库组件是一样的,或者是其子集。

4.操作示例

(1) 在主库、备库的CDB中执行如下命令,创建相同的共有用户及密码:

SQL> show user;
USER is "SYS"
SQL> create user c##maxwell identified by oracle;

User created.

SQL> grant create session,resource,create any table,unlimited tablespace to c##maxwell container=all;

Grant succeeded.

SQL> grant create pluggable database to c##maxwell container=all;

Grant succeeded.

SQL> grant sysoper to c##maxwell container=all;

Grant succeeded.

SQL> 

sys@cdb$root:orclcdb> show user
USER is "SYS"
sys@cdb$root:orclcdb> 
sys@cdb$root:orclcdb> 
sys@cdb$root:orclcdb> create user c##maxwell identified by oracle;

User created.

sys@cdb$root:orclcdb> grant create session,resource,create any table,unlimited tablespace to c##maxwell container=all;

Grant succeeded.

sys@cdb$root:orclcdb> grant create pluggable database to c##maxwell container=all;

Grant succeeded.

sys@cdb$root:orclcdb> grant sysoper to c##maxwell container=all;

Grant succeeded.

sys@cdb$root:orclcdb> 

(2) 由于源端不是本地UNDO模式,因此需要以只读模式打开,代码如下:

[oracle@MaxwellDBA ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Nov 29 16:12:11 2022
Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.3.0.0.0

sys@cdb$root:orclcdb> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 ORCLPDB1                       READ WRITE NO
sys@cdb$root:orclcdb> alter pluggable database orclpdb1 close immediate;

Pluggable database altered.

sys@cdb$root:orclcdb> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 ORCLPDB1                       MOUNTED
sys@cdb$root:orclcdb> alter pluggable database orclpdb1 open read only;

Pluggable database altered.

sys@cdb$root:orclcdb> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 ORCLPDB1                       READ ONLY  NO
sys@cdb$root:orclcdb> 

(3)在目标端创建DBLINK

  • 给HR账号授予创建dblink和删除dblink的权限(必须在sys用户下授权)

SQL> show user;
USER is "SYS"
SQL> 
SQL> 
SQL> alter session set container=PDB1;

Session altered.

SQL> grant CREATE PUBLIC DATABASE LINK,DROP PUBLIC DATABASE LINK to hr;

Grant succeeded.

  • 查看 scott 是否已经拥有dblink的相关权限

SQL> conn hr/hr@PDB1
Connected.
SQL> show user
USER is "HR"
SQL> select * from session_privs;

PRIVILEGE
----------------------------------------
CREATE SESSION
ALTER SESSION
UNLIMITED TABLESPACE
CREATE TABLE
CREATE CLUSTER
CREATE SYNONYM
CREATE VIEW
CREATE SEQUENCE
CREATE DATABASE LINK
CREATE PUBLIC DATABASE LINK
DROP PUBLIC DATABASE LINK

PRIVILEGE
----------------------------------------
CREATE PROCEDURE
CREATE TRIGGER
CREATE TYPE
CREATE OPERATOR
CREATE INDEXTYPE

16 rows selected.

SQL>
  • 查看dblink的方式:

SQL> set pagesize 200
SQL> set linesize 200
SQL> select owner,object_name from dba_objects where object_type='DATABASE LINK';

OWNER                                    OBJECT_NAME
---------------------------------------- ----------------------------------------
SYS                                      SYS_HUB

SQL> 
  • 创建dblink

SQL> 
SQL> conn hr/hr@PDB1;
Connected.
SQL> 
SQL> show user;
USER is "HR"
SQL> create public database link LINK_ORCLPDB1
  2  connect to hr identified by "hr"
  3  using
  4  '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xxx.xxx.xxx)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = ORCLPDB1)))';

Database link created.

SQL> 

SQL> create public database link LINK_ORCLPDB2
  2  connect to c##maxwell identified by "oracle"
  3  using
  4  '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xxx.xxx.xxx)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = ORCLPDB1)))';

Database link created.

SQL> show user;
USER is "C##MAXWELL"
SQL> show con_name;

CON_NAME
------------------------------
CDB$ROOT
SQL> 
  •  核查dblink是否建立成功。
SQL> conn sys/sys as sysdba
Connected.
SQL> show con_name

CON_NAME
------------------------------
CDB$ROOT
SQL> alter session set container=PDB1;

Session altered.

SQL> select owner,object_name from dba_objects where object_type='DATABASE LINK';

OWNER                                    OBJECT_NAME
---------------------------------------- ----------------------------------------
SYS                                      SYS_HUB
PUBLIC                                   LINK_ORCLPDB1

SQL> show user
USER is "SYS"
SQL> 

SQL> conn hr/hr@PDB1;
Connected.
SQL> show user;
USER is "HR"
SQL> show con_name;

CON_NAME
------------------------------
PDB1
SQL> select * from hr.employees@LINK_ORCLPDB1;

EMPLOYEE_ID FIRST_NAME           LAST_NAME                 EMAIL                     PHONE_NUMBER         HIRE_DATE JOB_ID         SALARY COMMISSION_PCT MANAGER_ID DEPARTMENT_ID
----------- -------------------- ------------------------- ------------------------- -------------------- --------- ---------- ---------- -------------- ---------- -------------
        198 Donald               OConnell                  DOCONNEL                  650.507.9833         21-JUN-07 SH_CLERK         2600                       124            50
        199 Douglas              Grant                     DGRANT                    650.507.9844         13-JAN-08 SH_CLERK         2600                       124            50
        200 Jennifer             Whalen                    JWHALEN                   515.123.4444         17-SEP-03 AD_ASST          4400                       101            10
        201 Michael              Hartstein                 MHARTSTE                  515.123.5555         17-FEB-04 MK_MAN          13000                       100            20
        202 Pat                  Fay                       PFAY                      603.123.6666         17-AUG-05 MK_REP           6000                       201            20
        203 Susan                Mavris                    SMAVRIS                   515.123.7777         07-JUN-02 HR_REP           6500                       101            40
        204 Hermann              Baer                      HBAER                     515.123.8888         07-JUN-02 PR_REP          10000                       101            70
        205 Shelley              Higgins                   SHIGGINS                  515.123.8080         07-JUN-02 AC_MGR          12008                       101           110
        206 William              Gietz                     WGIETZ                    515.123.8181         07-JUN-02 AC_ACCOUNT       8300                       205           110
        100 Steven               King                      SKING                     515.123.4567         17-JUN-03 AD_PRES         24000                                      90
        101 Neena                Kochhar                   NKOCHHAR                  515.123.4568         21-SEP-05 AD_VP           17000                       100            90
        102 Lex                  De Haan                   LDEHAAN                   515.123.4569         13-JAN-01 AD_VP           17000                       100            90
        103 Alexander            Hunold                    AHUNOLD                   590.423.4567         03-JAN-06 IT_PROG          9000                       102            60
        104 Bruce                Ernst                     BERNST                    590.423.4568         21-MAY-07 IT_PROG          6000                       103            60
        105 David                Austin                    DAUSTIN                   590.423.4569         25-JUN-05 IT_PROG          4800                       103            60
        106 Valli                Pataballa                 VPATABAL                  590.423.4560         05-FEB-06 IT_PROG          4800                       103            60
        107 Diana                Lorentz                   DLORENTZ                  590.423.5567         07-FEB-07 IT_PROG          4200                       103            60
        108 Nancy                Greenberg                 NGREENBE                  515.124.4569         17-AUG-02 FI_MGR          12008                       101           100
        109 Daniel               Faviet                    DFAVIET                   515.124.4169         16-AUG-02 FI_ACCOUNT       9000                       108           100
        110 John                 Chen                      JCHEN                     515.124.4269         28-SEP-05 FI_ACCOUNT       8200                       108           100
        111 Ismael               Sciarra                   ISCIARRA                  515.124.4369         30-SEP-05 FI_ACCOUNT       7700                       108           100
        112 Jose Manuel          Urman                     JMURMAN                   515.124.4469         07-MAR-06 FI_ACCOUNT       7800                       108           100
        113 Luis                 Popp                      LPOPP                     515.124.4567         07-DEC-07 FI_ACCOUNT       6900                       108           100
        114 Den                  Raphaely                  DRAPHEAL                  515.127.4561         07-DEC-02 PU_MAN          11000                       100            30
        115 Alexander            Khoo                      AKHOO                     515.127.4562         18-MAY-03 PU_CLERK         3100                       114            30
        116 Shelli               Baida                     SBAIDA                    515.127.4563         24-DEC-05 PU_CLERK         2900                       114            30
        117 Sigal                Tobias                    STOBIAS                   515.127.4564         24-JUL-05 PU_CLERK         2800                       114            30
        118 Guy                  Himuro                    GHIMURO                   515.127.4565         15-NOV-06 PU_CLERK         2600                       114            30
        119 Karen                Colmenares                KCOLMENA                  515.127.4566         10-AUG-07 PU_CLERK         2500                       114            30
        120 Matthew              Weiss                     MWEISS                    650.123.1234         18-JUL-04 ST_MAN           8000                       100            50
        121 Adam                 Fripp                     AFRIPP                    650.123.2234         10-APR-05 ST_MAN           8200                       100            50
        122 Payam                Kaufling                  PKAUFLIN                  650.123.3234         01-MAY-03 ST_MAN           7900                       100            50
        123 Shanta               Vollman                   SVOLLMAN                  650.123.4234         10-OCT-05 ST_MAN           6500                       100            50
        124 Kevin                Mourgos                   KMOURGOS                  650.123.5234         16-NOV-07 ST_MAN           5800                       100            50
        125 Julia                Nayer                     JNAYER                    650.124.1214         16-JUL-05 ST_CLERK         3200                       120            50
        126 Irene                Mikkilineni               IMIKKILI                  650.124.1224         28-SEP-06 ST_CLERK         2700                       120            50
        127 James                Landry                    JLANDRY                   650.124.1334         14-JAN-07 ST_CLERK         2400                       120            50
        128 Steven               Markle                    SMARKLE                   650.124.1434         08-MAR-08 ST_CLERK         2200                       120            50
        129 Laura                Bissot                    LBISSOT                   650.124.5234         20-AUG-05 ST_CLERK         3300                       121            50
        130 Mozhe                Atkinson                  MATKINSO                  650.124.6234         30-OCT-05 ST_CLERK         2800                       121            50
        131 James                Marlow                    JAMRLOW                   650.124.7234         16-FEB-05 ST_CLERK         2500                       121            50
        132 TJ                   Olson                     TJOLSON                   650.124.8234         10-APR-07 ST_CLERK         2100                       121            50
        133 Jason                Mallin                    JMALLIN                   650.127.1934         14-JUN-04 ST_CLERK         3300                       122            50
        134 Michael              Rogers                    MROGERS                   650.127.1834         26-AUG-06 ST_CLERK         2900                       122            50
        135 Ki                   Gee                       KGEE                      650.127.1734         12-DEC-07 ST_CLERK         2400                       122            50
        136 Hazel                Philtanker                HPHILTAN                  650.127.1634         06-FEB-08 ST_CLERK         2200                       122            50
        137 Renske               Ladwig                    RLADWIG                   650.121.1234         14-JUL-03 ST_CLERK         3600                       123            50
        138 Stephen              Stiles                    SSTILES                   650.121.2034         26-OCT-05 ST_CLERK         3200                       123            50
        139 John                 Seo                       JSEO                      650.121.2019         12-FEB-06 ST_CLERK         2700                       123            50
        140 Joshua               Patel                     JPATEL                    650.121.1834         06-APR-06 ST_CLERK         2500                       123            50
        141 Trenna               Rajs                      TRAJS                     650.121.8009         17-OCT-03 ST_CLERK         3500                       124            50
        142 Curtis               Davies                    CDAVIES                   650.121.2994         29-JAN-05 ST_CLERK         3100                       124            50
        143 Randall              Matos                     RMATOS                    650.121.2874         15-MAR-06 ST_CLERK         2600                       124            50
        144 Peter                Vargas                    PVARGAS                   650.121.2004         09-JUL-06 ST_CLERK         2500                       124            50
        145 John                 Russell                   JRUSSEL                   011.44.1344.429268   01-OCT-04 SA_MAN          14000             .4        100            80
        146 Karen                Partners                  KPARTNER                  011.44.1344.467268   05-JAN-05 SA_MAN          13500             .3        100            80
        147 Alberto              Errazuriz                 AERRAZUR                  011.44.1344.429278   10-MAR-05 SA_MAN          12000             .3        100            80
        148 Gerald               Cambrault                 GCAMBRAU                  011.44.1344.619268   15-OCT-07 SA_MAN          11000             .3        100            80
        149 Eleni                Zlotkey                   EZLOTKEY                  011.44.1344.429018   29-JAN-08 SA_MAN          10500             .2        100            80
        150 Peter                Tucker                    PTUCKER                   011.44.1344.129268   30-JAN-05 SA_REP          10000             .3        145            80
        151 David                Bernstein                 DBERNSTE                  011.44.1344.345268   24-MAR-05 SA_REP           9500            .25        145            80
        152 Peter                Hall                      PHALL                     011.44.1344.478968   20-AUG-05 SA_REP           9000            .25        145            80
        153 Christopher          Olsen                     COLSEN                    011.44.1344.498718   30-MAR-06 SA_REP           8000             .2        145            80
        154 Nanette              Cambrault                 NCAMBRAU                  011.44.1344.987668   09-DEC-06 SA_REP           7500             .2        145            80
        155 Oliver               Tuvault                   OTUVAULT                  011.44.1344.486508   23-NOV-07 SA_REP           7000            .15        145            80
        156 Janette              King                      JKING                     011.44.1345.429268   30-JAN-04 SA_REP          10000            .35        146            80
        157 Patrick              Sully                     PSULLY                    011.44.1345.929268   04-MAR-04 SA_REP           9500            .35        146            80
        158 Allan                McEwen                    AMCEWEN                   011.44.1345.829268   01-AUG-04 SA_REP           9000            .35        146            80
        159 Lindsey              Smith                     LSMITH                    011.44.1345.729268   10-MAR-05 SA_REP           8000             .3        146            80
        160 Louise               Doran                     LDORAN                    011.44.1345.629268   15-DEC-05 SA_REP           7500             .3        146            80
        161 Sarath               Sewall                    SSEWALL                   011.44.1345.529268   03-NOV-06 SA_REP           7000            .25        146            80
        162 Clara                Vishney                   CVISHNEY                  011.44.1346.129268   11-NOV-05 SA_REP          10500            .25        147            80
        163 Danielle             Greene                    DGREENE                   011.44.1346.229268   19-MAR-07 SA_REP           9500            .15        147            80
        164 Mattea               Marvins                   MMARVINS                  011.44.1346.329268   24-JAN-08 SA_REP           7200             .1        147            80
        165 David                Lee                       DLEE                      011.44.1346.529268   23-FEB-08 SA_REP           6800             .1        147            80
        166 Sundar               Ande                      SANDE                     011.44.1346.629268   24-MAR-08 SA_REP           6400             .1        147            80
        167 Amit                 Banda                     ABANDA                    011.44.1346.729268   21-APR-08 SA_REP           6200             .1        147            80
        168 Lisa                 Ozer                      LOZER                     011.44.1343.929268   11-MAR-05 SA_REP          11500            .25        148            80
        169 Harrison             Bloom                     HBLOOM                    011.44.1343.829268   23-MAR-06 SA_REP          10000             .2        148            80
        170 Tayler               Fox                       TFOX                      011.44.1343.729268   24-JAN-06 SA_REP           9600             .2        148            80
        171 William              Smith                     WSMITH                    011.44.1343.629268   23-FEB-07 SA_REP           7400            .15        148            80
        172 Elizabeth            Bates                     EBATES                    011.44.1343.529268   24-MAR-07 SA_REP           7300            .15        148            80
        173 Sundita              Kumar                     SKUMAR                    011.44.1343.329268   21-APR-08 SA_REP           6100             .1        148            80
        174 Ellen                Abel                      EABEL                     011.44.1644.429267   11-MAY-04 SA_REP          11000             .3        149            80
        175 Alyssa               Hutton                    AHUTTON                   011.44.1644.429266   19-MAR-05 SA_REP           8800            .25        149            80
        176 Jonathon             Taylor                    JTAYLOR                   011.44.1644.429265   24-MAR-06 SA_REP           8600             .2        149            80
        177 Jack                 Livingston                JLIVINGS                  011.44.1644.429264   23-APR-06 SA_REP           8400             .2        149            80
        178 Kimberely            Grant                     KGRANT                    011.44.1644.429263   24-MAY-07 SA_REP           7000            .15        149
        179 Charles              Johnson                   CJOHNSON                  011.44.1644.429262   04-JAN-08 SA_REP           6200             .1        149            80
        180 Winston              Taylor                    WTAYLOR                   650.507.9876         24-JAN-06 SH_CLERK         3200                       120            50
        181 Jean                 Fleaur                    JFLEAUR                   650.507.9877         23-FEB-06 SH_CLERK         3100                       120            50
        182 Martha               Sullivan                  MSULLIVA                  650.507.9878         21-JUN-07 SH_CLERK         2500                       120            50
        183 Girard               Geoni                     GGEONI                    650.507.9879         03-FEB-08 SH_CLERK         2800                       120            50
        184 Nandita              Sarchand                  NSARCHAN                  650.509.1876         27-JAN-04 SH_CLERK         4200                       121            50
        185 Alexis               Bull                      ABULL                     650.509.2876         20-FEB-05 SH_CLERK         4100                       121            50
        186 Julia                Dellinger                 JDELLING                  650.509.3876         24-JUN-06 SH_CLERK         3400                       121            50
        187 Anthony              Cabrio                    ACABRIO                   650.509.4876         07-FEB-07 SH_CLERK         3000                       121            50
        188 Kelly                Chung                     KCHUNG                    650.505.1876         14-JUN-05 SH_CLERK         3800                       122            50
        189 Jennifer             Dilly                     JDILLY                    650.505.2876         13-AUG-05 SH_CLERK         3600                       122            50
        190 Timothy              Gates                     TGATES                    650.505.3876         11-JUL-06 SH_CLERK         2900                       122            50
        191 Randall              Perkins                   RPERKINS                  650.505.4876         19-DEC-07 SH_CLERK         2500                       122            50
        192 Sarah                Bell                      SBELL                     650.501.1876         04-FEB-04 SH_CLERK         4000                       123            50
        193 Britney              Everett                   BEVERETT                  650.501.2876         03-MAR-05 SH_CLERK         3900                       123            50
        194 Samuel               McCain                    SMCCAIN                   650.501.3876         01-JUL-06 SH_CLERK         3200                       123            50
        195 Vance                Jones                     VJONES                    650.501.4876         17-MAR-07 SH_CLERK         2800                       123            50
        196 Alana                Walsh                     AWALSH                    650.507.9811         24-APR-06 SH_CLERK         3100                       124            50
        197 Kevin                Feeney                    KFEENEY                   650.507.9822         23-MAY-06 SH_CLERK         3000                       124            50

107 rows selected.

SQL> 

(4)执行复制PDB语句,

CREATE PLUGGABLE DATABASE cndbapdb4 from ORCLPDB1@LINK_ORCLPDB2
FILE_NAME_CONVERT = ('/opt/oracle/oradata/ORCLCDB/ORCLPDB1','/u02/oradata/CDB1/cndbapdb4');
SQL> show user;
USER is "C##MAXWELL"
SQL> show con_name;

CON_NAME
------------------------------
CDB$ROOT
SQL> 
SQL> CREATE PLUGGABLE DATABASE cndbapdb4 from ORCLPDB1@LINK_ORCLPDB2
  2  FILE_NAME_CONVERT = ('/opt/oracle/oradata/ORCLCDB/ORCLPDB1','/u02/oradata/CDB1/cndbapdb4');

Pluggable database created.

SQL> 

检验是否复制成功,从下方结果看是成功的。

SQL> col owner for a20
SQL> column object_name for a20
SQL> select owner,object_name from dba_objects where object_type='DATABASE LINK';

OWNER                OBJECT_NAME
-------------------- --------------------
SYS                  SYS_HUB
PUBLIC               LINK_ORCLPDB2

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
         6 CNDBAPDB3                      MOUNTED
         7 CNDBAPDB2                      MOUNTED
         8 CNDBAPDB4                      MOUNTED
SQL> alter pluggable database cndbapdb4 open;

Pluggable database altered.

SQL> show pdbs;

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
         5 CNDBAPDB                       MOUNTED
         6 CNDBAPDB3                      MOUNTED
         7 CNDBAPDB2                      MOUNTED
         8 CNDBAPDB4                      READ WRITE NO
SQL> 

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