The Oracle Data Access Components (ODAC) 11.2.0.2.1 (Release 3) package is an archived client-side software bundle used to enable .NET applications to connect to Oracle 11g databases. It specifically includes Oracle Developer Tools (ODT) for Visual Studio 2010, 2008, and 2005. Download and Access
Official Source: The official download is historically hosted on the Oracle Technology Network (OTN). Because this version is old, you must typically sign in to an Oracle account and accept a license agreement to access it.
Archived Pages: If you cannot find it on the main page, check the Oracle Archived ODAC Downloads for version 11.2.0.2.1.
Alternative Mirrors: Some technical support sites like Ginesys Support may host historical files for their specific software requirements. Installation Instructions
For the standard zip-based "Oracle Universal Installer" (OUI) version:
Download: Save the ODAC 11.2.0.2.1 zip file to a temporary directory. Avoid using the "Tmp" directory. Extract: Unzip the contents into a new folder.
Run Setup: Locate setup.exe in the extracted folder, right-click it, and select Run as Administrator.
OUI Guide: Follow the Oracle Universal Installer prompts to select your installation directory and the specific components you need.
Post-Install: You may delete the original zip and temporary unzipped folders once finished. Key Components Included ODAC 11.2.0.2.1 Installation Instructions - Oracle
This paper explores the technical specifications, installation procedures, and significance of the
Oracle Data Access Components (ODAC) with Oracle Developer Tools (ODT) for Visual Studio , specifically version 11.2.0.2.1 (also known as ODAC 11.2 Release 3). Technical Overview oracle 11g client odt odac 11.2 0.2 1 zip download
The ODAC 11.2.0.2.1 release is a comprehensive package designed to bridge the gap between .NET applications and Oracle databases. It was notable for introducing support for .NET Framework 4 and enhancing developer productivity within Microsoft Visual Studio 2010 Key Components Included: Oracle Data Provider for .NET (ODP.NET): Optimized ADO.NET data provider. Oracle Developer Tools for Visual Studio (ODT): Integrated designers and wizards for database management. Oracle Providers for ASP.NET: Optimized providers for web applications. Oracle Provider for OLE DB: High-performance data access. Oracle Instant Client:
A lightweight client footprint required for basic connectivity. Installation and Deployment
Oracle provides two primary methods for deploying this client software:
The search term "oracle 11g client odt odac 11.2 0.2 1 zip download" a specific version of the Oracle Data Access Components (ODAC) Oracle Developer Tools (ODT) for Visual Studio . This version is technically designated as ODAC 11.2 Release 3 Experts Exchange Official Download & Availability Legacy Status
: Oracle 11g reached its end-of-life for extended support on December 31, 2020. Consequently, specific older sub-versions like 11.2.0.2.1
are considered non-terminal releases and can be difficult to locate on standard download pages. Official Archive : Oracle typically hosts these files on the Oracle .NET and Visual Studio ODAC Downloads page. You may need an Oracle Account
and must accept the OTN License Agreement to access older files in the archive. Recommended Version
: Oracle generally recommends downloading the latest compatible version (such as ODAC 12c or 19c) for improved security and functionality, as client software versioning does not always need to match the database version. Components Included in the ZIP The ODAC 11.2.0.2.1 package typically includes:
Why you shouldn't ignore Oracle 11g support end of life - WellData
It will stop Oracle 11g extended support on December 31st, 2020. www.welldata.co.uk The Oracle Data Access Components (ODAC) 11
The Oracle 11g ODAC (Oracle Data Access Components) 11.2.0.2.1 bundle includes Oracle Developer Tools (ODT) for Visual Studio and various data providers. This specific version is primarily available as a 32-bit package. Download and Official Sources
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. Package Contents The ODAC 11.2.0.2.1 zip typically includes:
Oracle Developer Tools for Visual Studio (ODT): An add-in for schema browsing, editing, and debugging.
Oracle Data Provider for .NET (ODP.NET): Supports .NET Framework 2.0 through 4.0.
Oracle Providers for ASP.NET: For session state, roles, and profiles. Oracle Provider for OLE DB and ODBC Driver.
Oracle Instant Client: Provides necessary network connectivity. Oracle SQL*Plus: Command-line tool. Installation Instructions
Download: Save the zip file to a temporary directory (avoid the system C:\Tmp folder). Extract: Unzip the contents completely.
Run Setup: Launch setup.exe to start the Oracle Universal Installer (OUI). Configuration:
To install ODBC or SQL*Plus, select Oracle Instant Client in the OUI tree view.
If installing over an existing home, stop all related Windows services first. Technical Note: Acquisition and Deployment of Oracle 11g
Copy your tnsnames.ora file to the new ORACLE_HOME\network\admin directory to keep existing connection aliases. System Requirements
Operating Systems: Windows 7, Windows Server 2008, and older versions like Windows XP or Vista. Frameworks: Microsoft .NET Framework 2.0, 3.0, 3.5, or 4.0.
Visual Studio: Supports versions 2005, 2008, and 2010 (Express Editions are generally not supported for ODT). ODAC 11.2.0.2.1 Installation Instructions - Oracle
Step 1 – Extract the ZIP
Create a folder: C:\Oracle\ODAC_112021 and extract all contents there.
Step 2 – Run the Install Script Open Command Prompt as Administrator:
cd C:\Oracle\ODAC_112021
install.bat all C:\oracle\product\11.2.0\client_1 odac
Parameters explained:
all – install all components (ODP.NET, OO4O, ODBC, OLEDB, ODT)C:\oracle\product\11.2.0\client_1 – Oracle home pathodac – Oracle home nameStep 3 – Configure ODT for Visual Studio If you have Visual Studio 2010 installed, run:
configure_odt.bat VS2010
For VS2012: configure_odt.bat VS2012
Step 4 – Set Environment Variables
C:\oracle\product\11.2.0\client_1\bin to your PATH.ORACLE_HOME=C:\oracle\product\11.2.0\client_1TNS_ADMIN (if using tnsnames.ora)Step 5 – Register Assemblies in GAC (if needed)
The install script automatically registers Oracle.DataAccess.dll in the Global Assembly Cache. Verify by checking C:\Windows\Microsoft.NET\assembly\GAC_64\Oracle.DataAccess\.