Oracle Database 11g Release 2 11.2 0.4 Download May 2026
11.2.0.4 was released for a variety of architectures, including:
Choose the platform that matches your legacy environment exactly.
Oracle provides MD5 checksums on the download page. After downloading, verify the checksum to ensure no corruption:
On Linux:
md5sum linuxx64_11gR2_database_1of2.zip
On Windows (PowerShell):
Get-FileHash linuxx64_11gR2_database_1of2.zip -Algorithm MD5
If the checksum matches, you are ready to install.
Overview
Key points to know
Important compatibility & prerequisites (practical checklist)
Installation & upgrade highlights (concise steps)
Security & hardening (practical tips)
Performance & maintenance essentials
Licensing considerations
Where to get the software (practical guidance)
Migration & upgrade strategy (recommended, high level)
Troubleshooting quick hits
Useful commands & snippets
Further considerations
Summary Oracle 11.2.0.4 remains a mature release that requires careful handling due to aging support and licensing considerations. Use only official sources for software, validate prerequisites, run staged testing for upgrades, maintain strong backup and monitoring practices, and plan migration to a supported release if long-term security and support are needed.
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Oracle Database 11g Release 2 (11.2.0.4) Download and Overview
For many enterprise environments, Oracle Database 11g Release 2 (11.2.0.4) remains a landmark version. As the final patch set for the 11gR2 family, version 11.2.0.4 is widely regarded as one of the most stable and reliable database engines Oracle has ever produced. Whether you are maintaining a legacy system or performing a staged migration, obtaining and installing this specific version requires following the correct procedures. 1. Where to Download Oracle Database 11gR2 (11.2.0.4)
Finding the 11.2.0.4 binaries can be tricky because it is no longer the "current" flagship version. Depending on your needs, there are two primary routes: A. Oracle Software Delivery Cloud (Edelivery)
For licensed customers, the Oracle Software Delivery Cloud is the primary source. Sign in with your Oracle account.
Search for "Oracle Database 11g Standard Edition" or "Enterprise Edition." oracle database 11g release 2 11.2 0.4 download
Select the 11.2.0.4.0 platform-specific files (e.g., Linux x86-64 or Windows x64). B. My Oracle Support (MOS)
Since 11.2.0.4 is technically a patch set, it is often found under the "Patches & Updates" tab on My Oracle Support. Patch Number: 13390677
This is the full installation media, meaning you do not need to install 11.2.0.1 first; you can install 11.2.0.4 directly as a "fresh" installation. 2. Key Features of 11.2.0.4
While 12c and 19c introduced "Pluggable Databases," 11.2.0.4 perfected the traditional architecture. Key benefits include:
Automatic Storage Management (ASM): Highly evolved in this release for better disk group management.
Real Application Clusters (RAC): Enhanced stability for high-availability clusters.
Data Guard: Improved redo transport services and gap resolution.
Stability: As the terminal release, it contains thousands of bug fixes not present in 11.2.0.1 or 11.2.0.3. 3. Installation Requirements
Before running the runInstaller (Linux) or setup.exe (Windows), ensure your environment meets these criteria:
Operating System: Compatible with Oracle Linux 5/6/7, RHEL 5/6/7, and Windows Server 2008/2012. (Note: Newer OS versions like RHEL 8 may require "Compatibility Mode" or specific libraries). Memory: Minimum 2GB RAM (8GB+ recommended for production).
Disk Space: Approximately 5-10GB for the software binaries and additional space for the data files.
Kernel Parameters (Linux): Specific settings for shmmax, shmall, and nproc must be configured in /etc/sysctl.conf. 4. The Upgrade Path Choose the platform that matches your legacy environment
If you are currently running 11.2.0.1, 11.2.0.2, or 11.2.0.3, upgrading to 11.2.0.4 is a highly recommended "in-place" upgrade. Backup: Always perform a full RMAN backup before starting.
Out-of-Place Upgrade: Install the 11.2.0.4 software into a new ORACLE_HOME.
DBUA: Use the Database Upgrade Assistant (DBUA) to move the data dictionary to the new version. 5. Support Status Warning
It is important to note that Oracle 11gR2 has passed its Extended Support phase. Running 11.2.0.4 in production today usually means you are on Sustaining Support, which does not include new security patches (CPU/SPU) or bug fixes unless you have a specific specialized contract. Most organizations use 11.2.0.4 as a stepping stone to Oracle 19c, which is the current Long Term Release. Summary Table Release Name Oracle Database 11g Release 2 Patch Set Version 11.2.0.4.0 Patch Number (MOS) Architecture 64-bit (Preferred) / 32-bit Primary Use Case Legacy App Support / Migration Staging
Downloading Oracle Database 11g Release 2 (11.2.0.4) Oracle Database 11g Release 2 version 11.2.0.4 is the terminal patch set for the 11gR2 family. While newer versions like 19c and 23c are now standard, 11.2.0.4 remains critical for legacy systems and specific upgrade paths. Official Download Methods
Accessing 11.2.0.4 is different from standard software downloads because it is categorized as a "patch set" that functions as a full installation. Oracle Help Center Oracle Database Software Requirements
If you do not already have one, navigate to profile.oracle.com and sign up. A valid email address is all you need. The account provides access to the Oracle Software Delivery Cloud and OTN (Oracle Technology Network).
For many database professionals, Oracle Database 11g Release 2 (11.2.0.4) represents a golden era. Released in August 2013 as the terminal Patch Set for the 11.2 branch, it became the "safe haven" for critical systems. It is the final, most stable, and most bug-free version of the 11g generation.
If you are searching for 11.2.0.4, you likely fall into one of three categories:
Important: You cannot download the base 11.2.0.4 binaries directly as a single file. The standard installation route involves two components.
If you do not have a paid support contract and just want to learn Oracle:
This is a technical research report regarding the availability, risks, and context surrounding the search term "Oracle Database 11g Release 2 (11.2.0.4) download." Without a support contract
Without a support contract, you cannot download patches. For development or learning, the base 11.2.0.4.0 is sufficient, though it will contain known security vulnerabilities.