Oracle now offers a fully managed ODP.NET provider (nuget package Oracle.ManagedDataAccess ). It does not require an Oracle Client installation. Check if your application can migrate – but many legacy apps cannot due to reliance on Oracle.DataAccess ’s specific behavior.
You can find the official downloads on the Oracle .NET and Visual Studio ODAC Downloads page . If you have a commercial license, you should use the Oracle Software Delivery Cloud or My Oracle Support for specific patches and older versions like 11.2.0.2.1. The ODAC 11.2.0.2.1 zip typically includes: oracle 11g client odt odac 11.2 0.2 1 zip download
If your database server has been upgraded to 19c, you may try the Oracle 19c client (which supports connecting to 11g databases). However, binding redirects in app.config are required: Oracle now offers a fully managed ODP
The (ODTwithODAC112021.zip) is a critical software bundle for developers who need to connect .NET applications to Oracle databases. This specific version, ODAC 11.2 Release 3, includes the Oracle Developer Tools (ODT) for Visual Studio, which allows for seamless database management and code generation directly within the IDE. What is Included in ODAC 11.2.0.2.1? You can find the official downloads on the Oracle