Create a directory on your C: drive (e.g., C:\Oracle\instantclient_19 ). Extract the contents of both ZIP files (Basic and ODBC) into this single folder. They should merge together.
If you need full Oracle Database Client with ODBC included:
After downloading the Oracle ODBC Driver 64-bit, follow these steps: oracle odbc driver 64 bit download
(Optional but recommended) Create this variable and set its value to the folder where your tnsnames.ora file is stored. This file contains your database connection details. 4. Configure the 64-bit Data Source (DSN)
Getting the correctly installed and configured is essential for connecting modern 64-bit applications—like Excel, Power BI, or custom Python scripts—to an Oracle Database. Because Oracle's installation process can be less intuitive than a standard "one-click" installer, following these specific steps will save you hours of troubleshooting. 1. Download the Correct Packages Create a directory on your C: drive (e
The Oracle driver relies on Microsoft runtime libraries. If these are missing, the driver will fail to load.
If you're running a 64-bit application or a 64-bit operating system, you'll need the 64-bit Oracle ODBC Driver to connect to an Oracle database. The 64-bit driver is required to ensure compatibility and optimal performance. If you need full Oracle Database Client with
Connecting an application (like Microsoft Excel, Power BI, or a custom Python/C++ application) to an Oracle Database requires an ODBC driver. Because Windows environments are now predominantly 64-bit, installing the correct 64-bit driver is essential for seamless connectivity.
Contains the core libraries needed to run OCI, OCCI, and JDBC-OCI applications.
Check ODBC Data Source Administrator (64-bit):