1、数据库下载和安装文档

查看oracle 11g 适合安装的linux版本
https://docs.oracle.com/cd/E11882_01/relnotes.112/e23558/toc.htm#CHDHIFDE

Red Hat Enterprise Linux 7和8 可以安装

redhat 8版本要求：Red Hat Enterprise Linux 8.2: 4.18.0-348.12.2.el8_5.x86_64 or later

1.2、安装文档

https://docs.oracle.com/cd/E11882_01/install.112/e47689/toc.htm

1.3、license种类解释（ XE版 标准本 个人版 企业版）

各种不同的oracle版本 XE版 标准本 个人版等
https://docs.oracle.com/cd/E11882_01/license.112/e47877/toc.htm

1.4、在安装完oracle后再创建数据库

查看 Oracle Database 2 Day DBA
https://docs.oracle.com/cd/E11882_01/server.112/e10897/install.htm#ADMQS023
完整文档：https://docs.oracle.com/cd/E11882_01/server.112/e10897/toc.htm

1.5、DBA的文档

https://docs.oracle.com/cd/E11882_01/server.112/e25494/toc.htm

1.6、Automatic Storage Management Administrator’s Guide

https://docs.oracle.com/cd/E11882_01/server.112/e18951/toc.htm

See also Managing Oracle ASM Users with Oracle Enterprise Manager in
Oracle Automatic Storage Management Administrator’s Guide for information about the ASMSNMP user

1.7、数据库备份恢复手册

数据库备份恢复手册: https://docs.oracle.com/cd/E11882_01/backup.112/e10642/toc.htm

1.8、Overview of Oracle Database Installation

安装过程中的各个选项释义：https://docs.oracle.com/cd/E11882_01/install.112/e47689/install_overview.htm#LADBI1042

1.9、升级手册(升级到11.2)

https://docs.oracle.com/cd/E11882_01/server.112/e23633/upgrade.htm#UPGRD003

2、安装前准备

2.1、安转依赖包

yum -y install bc binutils compat-openssl10 elfutils-libelf glibc glibc-devel ksh libaio libXrender libX11 libXau libXi libXtst libgcc libnsl libstdc++ libxcb  libibverbs make policycoreutils policycoreutils-python-utils smartmontools sysstat

2.2、

2.3

2.4

2.5

2.6

2.7

2.8

2.9

2.10

2、为什么不能永远停留在11g

https://mikedietrichde.com/2022/04/06/why-you-cant-stay-on-oracle-database-11g-forever/