If you are a .NET developer working with Oracle databases, you have likely encountered the dreaded FileNotFoundException regarding Oracle.ManagedDataAccess.dll . Or perhaps you are setting up a new project and wondering which DLL to reference.
The brand new alpha version of the Oracle Managed DataAccess provider OPD.NET is available for download at the Oracle . Net Develo... Microsoft Dev Blogs Show all Zero Client Footprint: Unlike the "Unmanaged" driver, this does not require a local Oracle Client installation, making deployment significantly simpler. Architecture Independent: The managed driver works with both 32-bit (x86) and 64-bit (x64) applications seamlessly. Compatibility: It supports Oracle Database 10.2 or higher and requires .NET Framework 4.7.2 or higher for recent versions. Configuration: Connection details can be specified directly in the connection string (using
The recommended way to obtain this DLL is through official channels to ensure security and compatibility. oracle.manageddataaccess.dll download
https://www.nuget.org/packages/Oracle.ManagedDataAccess/
This usually happens when mixing Managed and Unmanaged drivers. Ensure you are not referencing Oracle.DataAccess (Unmanaged) and Oracle.ManagedDataAccess (Managed) in the same project. Stick to the Managed driver. If you are a
If you can't use NuGet (e.g., old CI pipeline), you can:
string connString = "User Id=scott;Password=tiger;Data Source=localhost:1521/ORCL"; using (OracleConnection conn = new OracleConnection(connString)) Net Develo
For enterprise deployments or when you need the full Oracle Data Access Components (ODAC), you can download the zip or installer versions directly from the Oracle .NET Downloads page . This package includes the DLL and other tools like Oracle Developer Tools for Visual Studio.
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