Oracle.dataaccess.dll Version 4.112.3.0 [hot] Download Jun 2026

string connStr = "Data Source=//hostname:1521/servicename;User Id=scott;Password=tiger;";

Oracle.DataAccess.dll is the —part of Oracle’s ODAC suite. It acts as a bridge between your C# or VB.NET application and the Oracle Database server, allowing ADO.NET commands like OracleConnection , OracleCommand , and OracleDataAdapter . oracle.dataaccess.dll version 4.112.3.0 download

: If the DLL is not found automatically, you may need to manually register it in the Global Assembly Cache (GAC) using OraProvCfg.exe : string connStr = "Data Source=//hostname:1521/servicename

While still functional, this version has known limitations: allowing ADO.NET commands like OracleConnection