配置Oracle数据库连接

下载Oracle 客户端：https://pan.baidu.com/s/11iEY7BAOG9gjIgeGWdoZ5w

pip install cx_Oracle
mkdir -p /opt/oracle
cd /opt/oracle
unzip ../instantclient-basic-linux.x64-12.2.0.1.0.zip
yum install libaio
sh -c "echo /opt/oracle/instantclient_12_2 > /etc/ld.so.conf.d/oracle-instantclient.conf"
ldconfig
mkdir -p /opt/oracle/instantclient_12_2/network/admin
cd /opt/oracle/instantclient_12_2/network/admin
vi tnsnames.ora

#tnsnames.ora
orcl_dev =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.10.222)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = superset)
    )
  )

参考：https://stackoverflow.com/questions/46098562/cx-oracle-databaseerror-dpi-1047-64-bit-oracle-client-library-cannot-be-loaded