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Oracle 19c 单实例 RU 从19.3.0 升级到19.6.0 操作手册

2020-03-10 15:17 6794 1 原创 Oracle 19c
作者: dave

关于Oracle 19c 的RU和RUR的说明,参考我之前的博客:

Oracle 12.2 家族的补丁 RU 和 RUR 说明
https://www.cndba.cn/dave/article/4063https://www.cndba.cn/dave/article/4065

19.3 单实例的安装参考之前的博客:https://www.cndba.cn/dave/article/4065https://www.cndba.cn/dave/article/4065

Linux 7.4 平台下 Oracle 19.3 单实例安装手册
https://www.cndba.cn/dave/article/3427

本篇博客我们演示19.3.0 到 19.6.0 的RU的升级过程。

1当前DB 环境

[root@www.cndba.cn ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.7 (Maipo)
[root@www.cndba.cn ~]# uname -r
3.10.0-1062.el7.x86_64
[root@www.cndba.cn ~]#

[oracle@www.cndba.cn ~]$ lsnrctl status

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 10-MAR-2020 14:12:43

Copyright (c) 1991, 2019, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dave)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                10-MAR-2020 09:50:46
Uptime                    0 days 4 hr. 21 min. 56 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/19.3.0/dbhome_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/dave/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dave)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=dave)(PORT=5500))(Security=(my_wallet_directory=/u01/app/oracle/admin/cndba/xdb_wallet))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "86b637b62fdf7a65e053f706e80a27ca" has 1 instance(s).
  Instance "cndba", status READY, has 1 handler(s) for this service...
Service "a069eb3a621a1ff0e053ca4aa8c01cb7" has 1 instance(s).
  Instance "cndba", status READY, has 1 handler(s) for this service...
Service "cndba" has 1 instance(s).
  Instance "cndba", status READY, has 1 handler(s) for this service...
Service "cndbaXDB" has 1 instance(s).
  Instance "cndba", status READY, has 1 handler(s) for this service...
Service "dave" has 1 instance(s).
  Instance "cndba", status READY, has 1 handler(s) for this service...
The command completed successfully
[oracle@www.cndba.cn ~]$

[oracle@www.cndba.cn ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Mar 10 14:13:04 2020
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> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 DAVE                           MOUNTED
SQL> alter pluggable database dave open;

Pluggable database altered.

SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 DAVE                           READ WRITE NO
SQL>

2从MOS下载19.6 的RU 补丁

19.6 的DB补丁是:p30557433, 可以直接从MOS上下载。

解压之后查阅readme文档。 https://www.cndba.cn/dave/article/4065

3开始安装RU补丁

3.1 检查OPatch工具版本

要安装19c的RU,OPatch 工具的版本必须大于 12.2.0.1.17。 在Oracle 19.3的版本中,OPatch版本正好就是12.2.0.1.17的。 所以不需要单独的更新OPatch。

[oracle@www.cndba.cn software]$ cd /u01/app/oracle/product/19.3.0/dbhome_1/OPatch/
[oracle@www.cndba.cn OPatch]$ ./opatch version
OPatch Version: 12.2.0.1.17

OPatch succeeded.
[oracle@www.cndba.cn OPatch]$

如果从其他版本进行升级,可以从patch 6880880 下载最新的OPatch。 关于OPatch 工具升级的方法参考我之前的博客,如下:

Oracle 更新 OPatch 工具版本 的方法 说明
https://www.cndba.cn/Dave/article/1353

https://www.cndba.cn/dave/article/4065
https://www.cndba.cn/dave/article/4065

3.2 检查Patch 是否冲突

[oracle@www.cndba.cn ~]$ cd /u01/software/
[oracle@www.cndba.cn software]$ ls
compat-libstdc++-33-3.2.3-61.x86_64.rpm  p30557433_190000_Linux-x86-64--DB.zip  V982063-01.zip
[oracle@www.cndba.cn software]$ unzip p30557433_190000_Linux-x86-64--DB.zip
[oracle@www.cndba.cn software]$ cd 30557433/
[oracle@www.cndba.cn 30557433]$ $ORACLE_HOME/OPatch/opatch prereq CheckConflictAgainstOHWithDetail -ph ./
Oracle Interim Patch Installer version 12.2.0.1.17
Copyright (c) 2020, Oracle Corporation.  All rights reserved.

PREREQ session

Oracle Home       : /u01/app/oracle/product/19.3.0/dbhome_1
Central Inventory : /u01/app/oraInventory
   from           : /u01/app/oracle/product/19.3.0/dbhome_1/oraInst.loc
OPatch version    : 12.2.0.1.17
OUI version       : 12.2.0.7.0
Log file location : /u01/app/oracle/product/19.3.0/dbhome_1/cfgtoollogs/opatch/opatch2020-03-10_14-29-01PM_1.log

Invoking prereq "checkconflictagainstohwithdetail"

Prereq "checkConflictAgainstOHWithDetail" passed.

OPatch succeeded.
[oracle@www.cndba.cn 30557433]$

3.3 应用patch

这里有几点注意事项:

1.如果是物理DG,那么主备库都需要安装Patch,可以先在备库安装,再安装主库,操作步骤可以参考:Document 278641.1。
2.对于RAC 环境,可以使用OPatch rolling 方式来安装,这样没有停机时间,具体操作可以参考:Document 244241.1。
3.对于单实例,必须关闭待升级ORACLE HOME关联的所有实例和监听,并且包括退出所有的sqlplus窗口。

关闭实例和监听,并退出sqlplus:

[oracle@www.cndba.cn OPatch]$ lsnrctl stop

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 10-MAR-2020 14:41:09

Copyright (c) 1991, 2019, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dave)(PORT=1521)))
The command completed successfully
[oracle@www.cndba.cn OPatch]$


SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 DAVE                           READ WRITE NO
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.3.0.0.0
[oracle@www.cndba.cn ~]$

应用patch:

[oracle@www.cndba.cn 30557433]$ pwd
/u01/software/30557433
[oracle@www.cndba.cn 30557433]$ $ORACLE_HOME/OPatch/opatch apply
Oracle Interim Patch Installer version 12.2.0.1.17
Copyright (c) 2020, Oracle Corporation.  All rights reserved.


Oracle Home       : /u01/app/oracle/product/19.3.0/dbhome_1
Central Inventory : /u01/app/oraInventory
   from           : /u01/app/oracle/product/19.3.0/dbhome_1/oraInst.loc
OPatch version    : 12.2.0.1.17
OUI version       : 12.2.0.7.0
Log file location : /u01/app/oracle/product/19.3.0/dbhome_1/cfgtoollogs/opatch/opatch2020-03-10_14-42-44PM_1                                                             .log

Verifying environment and performing prerequisite checks...
OPatch continues with these patches:   30557433

Do you want to proceed? [y|n]
y
User Responded with: Y
All checks passed.

Please shutdown Oracle instances running out of this ORACLE_HOME on the local system.
(Oracle Home = '/u01/app/oracle/product/19.3.0/dbhome_1')


Is the local system ready for patching? [y|n]
y
User Responded with: Y
Backing up files...
Applying interim patch '30557433' to OH '/u01/app/oracle/product/19.3.0/dbhome_1'
ApplySession: Optional component(s) [ oracle.network.gsm, 19.0.0.0.0 ] , [ oracle.rdbms.ic, 19.0.0.0.0 ] , [ oracle.xdk.parser.java.jaxb2, 19.0.0.0.0 ] , [ oracle.assistants.asm, 19.0.0.0.0 ] , [ oracle.tfa, 19.0.0.0.0 ] , [ oracle.network.cman, 19.0.0.0.0 ] , [ oracle.oraolap.mgmt, 19.0.0.0.0 ] , [ oracle.assistants.usm, 19.0.0.0.0 ] , [ oracle.net.cman, 19.0.0.0.0 ] , [ oracle.options.olap.awm, 19.0.0.0.0 ] , [ oracle.jdk, 1.8.0.191.0 ]  not present in the Oracle Home or a higher version is found.

Patching component oracle.rdbms.rsf, 19.0.0.0.0...

Patching component oracle.rdbms.util, 19.0.0.0.0...

Patching component oracle.rdbms, 19.0.0.0.0...

Patching component oracle.assistants.acf, 19.0.0.0.0...

Patching component oracle.assistants.deconfig, 19.0.0.0.0...

Patching component oracle.assistants.server, 19.0.0.0.0...

Patching component oracle.buildtools.rsf, 19.0.0.0.0...

Patching component oracle.ctx, 19.0.0.0.0...

Patching component oracle.ldap.rsf, 19.0.0.0.0...

Patching component oracle.network.rsf, 19.0.0.0.0...

Patching component oracle.rdbms.dbscripts, 19.0.0.0.0...

Patching component oracle.sdo, 19.0.0.0.0...

Patching component oracle.sqlplus, 19.0.0.0.0...

Patching component oracle.xdk.rsf, 19.0.0.0.0...

Patching component oracle.rdbms.install.plugins, 19.0.0.0.0...

Patching component oracle.rdbms.install.common, 19.0.0.0.0...

Patching component oracle.odbc, 19.0.0.0.0...

Patching component oracle.ovm, 19.0.0.0.0...

Patching component oracle.rdbms.deconfig, 19.0.0.0.0...

Patching component oracle.rdbms.dv, 19.0.0.0.0...

Patching component oracle.sqlplus.ic, 19.0.0.0.0...

Patching component oracle.ldap.security.osdt, 19.0.0.0.0...

Patching component oracle.rdbms.oci, 19.0.0.0.0...

Patching component oracle.oracore.rsf, 19.0.0.0.0...

Patching component oracle.sdo.locator.jrf, 19.0.0.0.0...

Patching component oracle.network.listener, 19.0.0.0.0...

Patching component oracle.ldap.owm, 19.0.0.0.0...

Patching component oracle.nlsrtl.rsf, 19.0.0.0.0...

Patching component oracle.oraolap.dbscripts, 19.0.0.0.0...

Patching component oracle.rdbms.scheduler, 19.0.0.0.0...

Patching component oracle.install.deinstalltool, 19.0.0.0.0...

Patching component oracle.dbjava.ucp, 19.0.0.0.0...

Patching component oracle.sdo.locator, 19.0.0.0.0...

Patching component oracle.network.client, 19.0.0.0.0...

Patching component oracle.rdbms.rman, 19.0.0.0.0...

Patching component oracle.rdbms.drdaas, 19.0.0.0.0...

Patching component oracle.rdbms.crs, 19.0.0.0.0...

Patching component oracle.duma, 19.0.0.0.0...

Patching component oracle.precomp.rsf, 19.0.0.0.0...

Patching component oracle.javavm.client, 19.0.0.0.0...

Patching component oracle.precomp.common.core, 19.0.0.0.0...

Patching component oracle.dbjava.jdbc, 19.0.0.0.0...

Patching component oracle.dbjava.ic, 19.0.0.0.0...

Patching component oracle.ons, 19.0.0.0.0...

Patching component oracle.ldap.rsf.ic, 19.0.0.0.0...

Patching component oracle.dbdev, 19.0.0.0.0...

Patching component oracle.ctx.rsf, 19.0.0.0.0...

Patching component oracle.bali.ice, 11.1.1.7.0...

Patching component oracle.xdk, 19.0.0.0.0...

Patching component oracle.xdk.parser.java, 19.0.0.0.0...

Patching component oracle.rdbms.rsf.ic, 19.0.0.0.0...

Patching component oracle.precomp.lang, 19.0.0.0.0...

Patching component oracle.precomp.common, 19.0.0.0.0...

Patching component oracle.jdk, 1.8.0.201.0...
Patch 30557433 successfully applied.
Sub-set patch [29517242] has become inactive due to the application of a super-set patch [30557433].
Please refer to Doc ID 2161861.1 for any possible further required actions.
Log file location: /u01/app/oracle/product/19.3.0/dbhome_1/cfgtoollogs/opatch/opatch2020-03-10_14-42-44PM_1.log

OPatch succeeded.
[oracle@www.cndba.cn 30557433]$

3.4 加载变化的SQL到数据库

安装补丁之后,还需要将有变化的SQL加载到数据库中,这里可以直接运行Datapatch工具将这些修改的SQL重新加载到数据库中,如果是RAC环境,只需要在一个节点执行就可以了。

根据readme的说明,操作步骤如下:

sqlplus /nolog
SQL> Connect / as sysdba
SQL> startup
SQL> alter pluggable database all open;
SQL> quit
cd $ORACLE_HOME/OPatch
./datapatch -verbose

datapatch命令只对打开的数据库生效,所有Oracle建议在执行该命令之前将CDB和所有的PDB都打开,一次更新掉。 但如果有部分PDB没有打开,也可以在打开之后,重新运行datapatch命令并制定pdb实例名,比如: ./datapatch -pdbs dave

这种情况可以参考之前的博客:https://www.cndba.cn/dave/article/4065

Oracle 18c 单实例 RUR 从18.3.0 升级到18.3.1 操作手册
https://www.cndba.cn/dave/article/3138https://www.cndba.cn/dave/article/4065

我们这里将所有的PDB 都打开后在执行datapatch工具。

启动实例:

[oracle@www.cndba.cn ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Mar 10 14:53:03 2020
Version 19.6.0.0.0

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

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 1543500832 bytes
Fixed Size                  9135136 bytes
Variable Size             939524096 bytes
Database Buffers          587202560 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 DAVE                           MOUNTED
SQL> alter pluggable database dave open;

Pluggable database altered.

SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 DAVE                           READ WRITE NO
SQL>

运行datapatch工具:

[oracle@www.cndba.cn 30557433]$  $ORACLE_HOME/OPatch/datapatch -verbose
SQL Patching tool version 19.6.0.0.0 Production on Tue Mar 10 14:54:18 2020
Copyright (c) 2012, 2019, Oracle.  All rights reserved.

Log file for this invocation: /u01/app/oracle/cfgtoollogs/sqlpatch/sqlpatch_15811_2020_03_10_14_54_18/sqlpatch_invocation.log

Connecting to database...OK
Gathering database info...done

Note:  Datapatch will only apply or rollback SQL fixes for PDBs
       that are in an open state, no patches will be applied to closed PDBs.
       Please refer to Note: Datapatch: Database 12c Post Patch SQL Automation
       (Doc ID 1585822.1)

Bootstrapping registry and package to current versions...done
Determining current state...done

Current state of interim SQL patches:
  No interim patches found

Current state of release update SQL patches:
  Binary registry:
    19.6.0.0.0 Release_Update 191217155004: Installed
  PDB CDB$ROOT:
    Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 09-MAR-20 05.40.17.782198 PM
  PDB DAVE:
    Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 09-MAR-20 05.46.29.610224 PM
  PDB PDB$SEED:
    Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 09-MAR-20 05.46.29.610224 PM

Adding patches to installation queue and performing prereq checks...done
Installation queue:
  For the following PDBs: CDB$ROOT PDB$SEED DAVE
    No interim patches need to be rolled back
    Patch 30557433 (Database Release Update : 19.6.0.0.200114 (30557433)):
      Apply from 19.3.0.0.0 Release_Update 190410122720 to 19.6.0.0.0 Release_Update 191217155004
    No interim patches need to be applied

Installing patches...
Patch installation complete.  Total patches installed: 3

Validating logfiles...done
Patch 30557433 apply (pdb CDB$ROOT): SUCCESS
  logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/30557433/23305305/30557433_apply_CNDBA_CDBROOT_2020Mar10_14_55_17.log (no errors)
Patch 30557433 apply (pdb PDB$SEED): SUCCESS
  logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/30557433/23305305/30557433_apply_CNDBA_PDBSEED_2020Mar10_14_58_14.log (no errors)
Patch 30557433 apply (pdb DAVE): SUCCESS
  logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/30557433/23305305/30557433_apply_CNDBA_DAVE_2020Mar10_14_58_14.log (no errors)
SQL Patching tool complete on Tue Mar 10 15:04:27 2020
[oracle@www.cndba.cn 30557433]$

3.5 查看版本变化

datapatch 工具加载修改的SQL之后会将patch添加到dba_registry_sqlpatch试图中,以反应patch的应用情况。 查询试图可以看到patch的APPLY状态为”SUCCESS”。

SQL> col status for a10
SQL> col action for a10
SQL> col action_time for a30
SQL> col description for a60
SQL>  select patch_id,patch_type,action,status,action_time,description from dba_registry_sqlpatch;

  PATCH_ID PATCH_TYPE                     ACTION     STATUS     ACTION_TIME                    DESCRIPTION
---------- ------------------------------ ---------- ---------- ------------------------------ ------------------------------------------------------------
  29517242 RU                             APPLY      SUCCESS    09-MAR-20 05.40.17.782198 PM   Database Release Update : 19.3.0.0.190416 (29517242)
  30557433 RU                             APPLY      SUCCESS    10-MAR-20 03.04.11.269195 PM   Database Release Update : 19.6.0.0.200114 (30557433)

SQL>

SQL> col version for a25
SQL> col comments for a80
SQL> select ACTION_TIME,VERSION,COMMENTS from dba_registry_history;

ACTION_TIME                    VERSION                   COMMENTS
------------------------------ ------------------------- --------------------------------------------------------------------------------
                               19                        RDBMS_19.6.0.0.0DBRU_LINUX.X64_191217
09-MAR-20 05.40.06.857763 PM   19.0.0.0.0                Patch applied on 19.3.0.0.0: Release_Update - 190410122720
10-MAR-20 02.57.49.303740 PM   19.0.0.0.0                Patch applied from 19.3.0.0.0 to 19.6.0.0.0: Release_Update - 191217155004

SQL>

3.6 处理无效对象

最后一步就是处理无效对象,因为之前datapatch命令会加载SQL,这个过程可能会产生无效对象。 可以执行@utlrp.sql脚本处理这些无效对象。

[oracle@www.cndba.cn ~]$ cd $ORACLE_HOME/rdbms/admin
[oracle@www.cndba.cn admin]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Tue Mar 10 15:09:46 2020
Version 19.6.0.0.0

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


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.6.0.0.0

SQL> @utlrp.sql

Session altered.


TIMESTAMP
--------------------------------------------------------------------------------
COMP_TIMESTAMP UTLRP_BGN              2020-03-10 15:10:02

DOC>   The following PL/SQL block invokes UTL_RECOMP to recompile invalid
DOC>   objects in the database. Recompilation time is proportional to the
DOC>   number of invalid objects in the database, so this command may take
DOC>   a long time to execute on a database with a large number of invalid
DOC>   objects.
DOC>
DOC>   Use the following queries to track recompilation progress:
DOC>
DOC>   1. Query returning the number of invalid objects remaining. This
DOC>      number should decrease with time.
DOC>         SELECT COUNT(*) FROM obj$ WHERE status IN (4, 5, 6);
DOC>
DOC>   2. Query returning the number of objects compiled so far. This number
DOC>      should increase with time.
DOC>         SELECT COUNT(*) FROM UTL_RECOMP_COMPILED;
DOC>
DOC>   This script automatically chooses serial or parallel recompilation
DOC>   based on the number of CPUs available (parameter cpu_count) multiplied
DOC>   by the number of threads per CPU (parameter parallel_threads_per_cpu).
DOC>   On RAC, this number is added across all RAC nodes.
DOC>
DOC>   UTL_RECOMP uses DBMS_SCHEDULER to create jobs for parallel
DOC>   recompilation. Jobs are created without instance affinity so that they
DOC>   can migrate across RAC nodes. Use the following queries to verify
DOC>   whether UTL_RECOMP jobs are being created and run correctly:
DOC>
DOC>   1. Query showing jobs created by UTL_RECOMP
DOC>         SELECT job_name FROM dba_scheduler_jobs
DOC>            WHERE job_name like 'UTL_RECOMP_SLAVE_%';
DOC>
DOC>   2. Query showing UTL_RECOMP jobs that are running
DOC>         SELECT job_name FROM dba_scheduler_running_jobs
DOC>            WHERE job_name like 'UTL_RECOMP_SLAVE_%';
DOC>#

PL/SQL procedure successfully completed.


TIMESTAMP
--------------------------------------------------------------------------------
COMP_TIMESTAMP UTLRP_END              2020-03-10 15:10:02

DOC> The following query reports the number of invalid objects.
DOC>
DOC> If the number is higher than expected, please examine the error
DOC> messages reported with each object (using SHOW ERRORS) to see if they
DOC> point to system misconfiguration or resource constraints that must be
DOC> fixed before attempting to recompile these objects.
DOC>#

OBJECTS WITH ERRORS
-------------------
                  0

DOC> The following query reports the number of exceptions caught during
DOC> recompilation. If this number is non-zero, please query the error
DOC> messages in the table UTL_RECOMP_ERRORS to see if any of these errors
DOC> are due to misconfiguration or resource constraints that must be
DOC> fixed before objects can compile successfully.
DOC> Note: Typical compilation errors (due to coding errors) are not
DOC>       logged into this table: they go into DBA_ERRORS instead.
DOC>#

ERRORS DURING RECOMPILATION
---------------------------
                          0


Function created.


PL/SQL procedure successfully completed.


Function dropped.


PL/SQL procedure successfully completed.

SQL>

至此,我们升级19.6的操作全部结束, 注意验证版本需要通过dba_registry_sqlpatch视图来查看,如果查询v$version 视图,版本还是没有变化的。 https://www.cndba.cn/dave/article/4065https://www.cndba.cn/dave/article/4065

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人的一生应该是这样度过的:当他回首往事的时候,他不会因为虚度年华而悔恨,也不会因为碌碌无为而羞耻;这样,在临死的时候,他就能够说:“我的整个生命和全部精力,都已经献给世界上最壮丽的事业....."

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