在原有的oracle11g数据库上创建第二套数据库并连接

在原有的oracle11g数据库上创建第二套数据库并连接

 

1 创建第二套数据库

:11g、12c、19c在创建数据库上面可能稍有差异,但是创建方法一样,连接方法也一样。

 

2 连接第二套数据库(临时连接)

# oracle用户执行命令

echo $ORACLE_SID

ORCL

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Mon Mar 9 22:48:19 2020
Copyright (c) 1982, 2011, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SYS@ORCL>

export ORACLE_SID=PROD

echo $ORACLE_SID

PROD

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Mon Mar 9 22:46:52 2020
Copyright (c) 1982, 2011, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SYS@PROD>

永久切换第二套数据库只需修改oracle用户变量然后source生效即可

posted @ 2020-09-23 17:07  chchcharlie、  阅读(502)  评论(0编辑  收藏  举报