Install: Oracle Client 12c

Beyond the Jargon: A Deep Dive into Installing Oracle Instant Client 12c

Published by: SysAdmin Archives Tags: Oracle, DevOps, Legacy Systems, Linux, Database Connectivity

sqlplus username/password@alias

Verify:

MSVCR120.dll is missing: Oracle 12c requires the Visual C++ Redistributable 2013. Download this from Microsoft if the installer fails to launch. install oracle client 12c

Downloading the Oracle Client 12c Installer

7. Configuring Network Connection (TNS)

Manual tnsnames.ora file

Create $ORACLE_HOME/network/admin/tnsnames.ora with: Beyond the Jargon: A Deep Dive into Installing

Installing the Oracle Database Client 12c allows your local machine to communicate with a remote Oracle database. Whether you are setting up a workstation for a developer or a production application server, the process involves preparing your environment, running the Universal Installer, and configuring network connectivity. Prerequisites and Preparation

Next Steps: After installation, download Oracle SQL Developer (free) or configure your favorite IDE (IntelliJ, DBeaver, VS Code) to use this client for querying your database. Happy querying! Verify: MSVCR120

Match the client bitness (32-bit or 64-bit) to the applications you are using (e.g., a 32-bit Excel setup requires a 32-bit Oracle Client, even on a 64-bit Windows OS). You must log in to the host machine with Administrator privileges to run the installer. Oracle Help Center 2. Choosing Your Installation Type When you run