Install Oracle Client 12c ((new))

Oracle 12c reached end of life in July 2022 (for standard support), but enterprise reality means . This guide isn't just about running rpm -ivh . It’s about understanding the runtime linker, the shadow library hell, and why 12c is the last version that plays nicely without mandatory cloud telemetry.

Now let's develop a practical feature using the installed Oracle Client:

For this article, we will focus on the installation, as it is the most common for developers and power users.

# Update statistics elapsed_time = time.time() - start_time with self._lock: self._stats.total_created += 1 total_time = (self._stats.avg_connection_time * (self._stats.total_created - 1) + elapsed_time) self._stats.avg_connection_time = total_time / self._stats.total_created

sudo mkdir -p /opt/oracle/instantclient_12_2 sudo unzip -d /opt/oracle/instantclient_12_2 instantclient-basic-linux.x64-12.1.0.2.0.zip sudo unzip -d /opt/oracle/instantclient_12_2 instantclient-sqlplus-linux.x64-12.1.0.2.0.zip sudo unzip -d /opt/oracle/instantclient_12_2 instantclient-tools-linux.x64-12.1.0.2.0.zip

Install Oracle Client 12c ((new))

Now let's develop a practical feature using the installed Oracle Client: install oracle client 12c

For this article, we will focus on the installation, as it is the most common for developers and power users. Oracle 12c reached end of life in July