1.备份/关库/关监听
rman 备份
shutdown immediate;
lsnrctl stop
2.安装 11.2.0.4 软件
图片略
mkdir 新目录
3.修改环境变量/监听文件/dbs内容
修改 .bash_profile 内容
cp network/admin 下内容
cp dbs/ 下内容
4.数据库执行升级脚本
SQL> startup upgrade;
ORACLE instance started.
Total System Global Area 5044088832 bytes
Fixed Size 2237048 bytes
Variable Size 922750344 bytes
Database Buffers 4110417920 bytes
Redo Buffers 8683520 bytes
Database mounted.
Database opened.
SQL> @?/rdbms/admin/utlu112i.sql ---执行升级前检查
Oracle Database 11.2 Pre-Upgrade Information Tool 08-31-2017 22:39:24
Script Version: 11.2.0.3.0 Build: 001
.
**********************************************************************
Database:
**********************************************************************
--> name: MYTEST
--> version: 11.2.0.3.0
--> compatible: 11.2.0.0.0
--> blocksize: 8192
--> timezone file: V14
.
Database already upgraded; to rerun upgrade use rdbms/admin/catupgrd.sql.
--这样显示是不正确的, 要把相关的 pmon kill 掉, 还要把 dbs 下的 lk
删除,然后再启库
SQL> @?/rdbms/admin/catupgrd.sql ---执行脚本
SQL> startup;
ORACLE instance started.
Total System Global Area 5044088832 bytes
Fixed Size 2237048 bytes
Variable Size 939527560 bytes
Database Buffers 4093640704 bytes
Redo Buffers 8683520 bytes
Database mounted.
Database opened.
SQL> @?/rdbms/admin/utlrp --统计无效对象
网站名称：11.2.0.3升级到11.2.0.4
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