To get oracle.dataaccess.dll version 4.112.3.0, you must download the specific release of or Oracle Client that contains it. 🔑 Crucial Facts About This Specific DLL
Because this specific version ( 4.112.3.0 ) belongs to the Oracle 11g Release 2 (11.2.0.3 or 11.2.0.4) era, it is considered an archive version. oracle.dataaccess.dll version 4.112.3.0 download