Download the zip archive file (usually named winx64_12201_client.zip or similar). Step 2: Install Oracle Client 12c on Windows

This guide focuses on installing the on a Windows environment, though the steps are similar for other major versions.

LEGACYDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.2.1.100)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ORCL) ) )

If you want, I can provide:

Navigate to the network configuration folder: [ORACLE_HOME]\network\admin (e.g., C:\app\client\product\12.1.0\client_1\network\admin ). Create or edit the tnsnames.ora file. Add your database connection details: