Based on version: 19C (12.2.0.3) AskScuti
Creation method: clone the PDB remote (from the non-current CDB in remote clone). The CDB2 the ERP1 remote cloning CDB1 in PDB6
Corresponding path: Creating the PDB A -> Cloning -> RemotelyAnywhere -> the PDB the From A
How to create a container inside the PDB database CDB, the official document gives an option to create a PDB technical drawing , picture is as follows:
Content Overview
1 Overview
2. Set read-only source PDB
3. Edit TNSNAMES.ora
4. Create DBLINK
5. Remote PDB Cloning
6. Open PDB6
1 Overview
Cloning remote PDB is meant: a source PDB not be cloned within the current CDB, by DBLink way of cloning.
The whole process is:
1) The PDB source is set to read-only mode
2) Connect CDB create DBLink
3) Remote clone PDB
4) The read-write mode opening PDB
2. Set read-only source PDB
SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- --------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 ERP1 READ WRITE NO 4 ERP2 READ WRITE NO
SQL> alter pluggable database erp1 close immediate; Pluggable database altered. SQL> alter pluggable database erp1 open read only; Pluggable database altered. SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- --------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 ERP1 READ ONLY NO 4 ERP2 READ WRITE NO
3. 编辑TNSNAMES.ora
ERP1 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.14)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ERP1) ) )
4. 创建DBLINK
SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- --------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 MOUNTED 4 PDB2 MOUNTED 5 PDB3 MOUNTED 6 PDB4 MOUNTED 7 PDB5 MOUNTED SQL> create database link henry connect to system identified by oracle using 'ERP1'; Database link created.
5. 远程克隆PDB
SQL> create pluggable database pdb6 from erp1@henry create_file_dest='/u01/app/oracle/oradata/CDB1/pdb6'; Pluggable database created. SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- --------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 MOUNTED 4 PDB2 MOUNTED 5 PDB3 MOUNTED 6 PDB4 MOUNTED 7 PDB5 MOUNTED 8 PDB6 MOUNTED
如果报错如下:
SQL> create pluggable database pdb6 from erp1@henry create_file_dest='/u01/app/oracle/oradata/CDB1/pdb6'; create pluggable database pdb6 from erp1@henry create_file_dest='/u01/app/oracle/oradata/CDB1/pdb6' * 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ERP1数据库,授权SYSTEM用户 create pluggable database 权限即可。
SQL> alter session set container=erp1; SQL> grant create pluggable database to system; 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
6. 打开PDB6
SQL> alter pluggable database pdb6 open; Pluggable database altered. SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- --------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 MOUNTED 4 PDB2 MOUNTED 5 PDB3 MOUNTED 6 PDB4 MOUNTED 7 PDB5 MOUNTED 8 PDB6 READ WRITE NO