19c rpm 安装数据库

#下载环境初始化安装包：

On Red Hat Enterprise Linux/CENTOS 

# curl -o oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm
# yum -y localinstall oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

#该脚本的主要作用：

Automatically downloads and installs any additional RPM packages needed for installing Oracle Grid Infrastructure and Oracle Database, and resolves any dependencies
#自动安装依赖软件包。

Creates an oracle user, and creates the oraInventory (oinstall) and OSDBA (dba) groups for that user
#新建用户和组

As needed, sets sysctl.conf settings, system startup parameters, and driver parameters to values based on recommendations from the Oracle Database Preinstallation RPM program
#配置sysctl,.conf参数

Sets hard and soft resource limits
#配置资源限制

Sets other recommended parameters, depending on your kernel version
#配置内核参数

Sets numa=off in the kernel for Linux x86_64 machines.
#关闭numa

#下载数据库软件

http://www.oracle.com/technetwork/indexes/downloads/index.html

#使用rpm命令安装数据库软件

# cd /tmp
# yum -y localinstall oracle-database-ee-19c-1.0-1.x86_64.rpm

#配置数据库

# /etc/init.d/oracledb_ORCLCDB-19c configure

通过修改/etc/sysconfig/oracledb_ORCLCDB-19c.conf配置文件可以配置数据库名称和端口。

#删除数据库软件

#删除数据库

$ cd $ORACLE_HOME/bin 
$ ./dbca

#删除监听

$ cd $ORACLE_HOME/bin 
$ ./netca

#删除软件

# yum -y remove oracle-database-ee-19c