1.环境设置

[root@oracle ~]# cat /etc/redhat-release 

CentOS release 6.9 (Final)

[root@oracle ~]# python -V

Python 2.6.6

版本:Oracle 12c

 

2.前提:安装cx_Oracle模块依赖包

由于使用Python连接Oracle,所以需要下载oracle客户端包

官网:http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html?ssSourceSiteId=otncn

oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm

oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm

oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm

 

3.设置环境变量

[root@oracle ~]# cat ~/.bash_profile 

 

4.安装cx_Oracle模块

官网:https://pypi.python.org/pypi/cx_Oracle

cx_Oracle-6.2.1.tar.gz 

可能会遇到报错

error: command 'gcc' failed with exit status 1

解决方法:

yum install python-devel

yum install libevent-devel

 

5.查看是否可以导入cx_Oracle模块

[root@oracle ~]# python

Python 2.6.6 (r266:84292, Aug 18 2016, 15:13:37) 

[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> import cx_Oracle

>>>  #无报错说明成功

 

6.编写Python连接oracle数据库脚本(oracle用户,因为我这里都是用oracle用户权限安装的)

[oracle@oracle ~]$ cat py_oracle.py 

 

7.执行脚本

[oracle@oracle ~]$ python py_oracle.py 

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