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Using On-Premise Scripting Languages with Oracle Database Exadata Express Cloud Service
Oracle Database drivers for scripting languages including Node.js, Python, R, PHP and Ruby can connect to Oracle Database Exadata Express Cloud Service using Instant Client 18c. Network security is enforced by using an Oracle Wallet, which can be downloaded from the database service.
/home/myuser/instantclient_18_5. If the SDK was downloaded it should be unzipped to the same directory.
PATHvariable in the "System variables" section of the Environment Variables pane. On Windows 8 this can be accessed by navigating to Control Panel>System>Advanced System Settings>Environment Variables. If you have multiple versions of Oracle libraries installed, make sure the new directory occurs first in the path.
cd /home/myuser/instantclient_18_5 ln -s libclntsh.so.18.1 libclntsh.so
Applications and tools that use the OCCI C++ API also need the symbolic link:
ln -s libocci.so.18.1 libocci.so
Set the library path:
Instead of setting LD_LIBRARY_PATH, you could create an ldconfig configuration file if there is no other Oracle software that will be impacted:
sudo sh -c "echo /home/myuser/instantclient_18_5 > /etc/ld.so.conf.d/oic.conf" sudo ldconfig
The Linux 'basic' or 'basiclite' RPMs can also be used. With these, it is not necessary to create a symbolic link.
client_credentials.zipcontaining your security credentials and network configuration files that will allow client access to your cloud database. Save this zip file to a secure location.
network/adminsubdirectories in the Instant Client directory, if they do not exist, and unzip the client credentials there. For example unzip the wallet so the files are in the
Secure the files so that only users who are authorized to connect to the Exadata Express service have access to them. By default, Oracle recommends granting permissions only to the file owner.
TNS_ADMINenvironment variable to that directory name.
Follow the language-specific instructions to install database drivers using the updated Instant Client.
Use the Oracle network service name given in the unzipped
tnsnames.ora file. For example, use
dbaccess as the connect string. Alternatively, change the connect string in
tnsnames.ora to match the string used by your application.
Use your Oracle Database Exadata Express database username and password. If you haven't created a new user, see Creating Database Schemas, or test with the administrator username
PDB_ADMIN and password. Note the password is not the wallet password.