https://www.oracle.com/sg/database/technologies/instant-client/microsoft-windows-32-downloads.html#license-lightbox
Download:
1. Basic Package
2. ODBC Package
3. SQL*PLUS Package (Optional, for PSM connection)
Extract package under C:\oracle (Could uninstall and replace old driver if no longer needed)
Run cmd -> odbc_install JA (Check command in the ODBC_IC_Readme_WIN)
Add path to system env.
DSNless
Make sure the Driver parameter is correspond to the driver in ODBC setting.
DSN
Make sure the Driver parameter is correspond to the driver in ODBC setting.