[oracle19@rac18c-n1 bin]$ sqlplus system/lhr@192.168.20.10:1521,192.168.20.12:1521/lhr19c?connect_timeout=60
SQL*Plus: Release 19.0.0.0.0 - Production on Wed Mar 6 13:56:20 2019
Version 19.2.0.0.0
Copyright (c) 1982, 2018, Oracle. All rights reserved.
Last Successful login time: Wed Mar 06 2019 13:56:05 +08:00
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.2.0.0.0
SQL>
SQL>
SQL>
SQL>
SQL> col BANNER_FULL format a80
SQL> select BANNER_FULL,CON_ID from v$version;
BANNER_FULL CON_ID
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Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production 0
Version 19.2.0.0.0
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1、测试可以在CentOS 7.3环境上安装，但是在RHEL6.5上不能安装
2、在安装过程中可以设置root.sh脚本自动执行
Oracle 19c（19.3）可以在OTN网站（https://www.oracle.com/technetwork/database/enterprise-edition/downloads/oracle19c-linux-5462157.html）下载了，也可以去Oracle的云下载地址（https://edelivery.oracle.com）进行下载。本文是基于19.2版本的。