If you are starting a new project, do not choose 11g. Select 19c (Long Term Release). But for maintenance and legacy support, 11.2.0.4 is the gold standard.
To understand the demand for this specific version, one must first understand Oracle’s versioning strategy. Oracle Database 11g Release 2 (11.2) was a staple in the industry for over a decade. However, simply having version 11.2 is not enough. Oracle databases require specific patch sets to be stable and secure. The release 11.2.0.4 is particularly significant because it represents the final patch set for the 11g Release 2 lifecycle. For many organizations, 11.2.0.4 became the "gold standard" for stability before the industry moved to Oracle 12c and eventually 19c. Consequently, it remains a sought-after download for organizations needing to replicate production environments for testing or to perform precise migrations to newer platforms. download oracle 11.2 0.4 for linux x86-64
Since version 11.2.0.4 is the terminal patch set for 11gR2, it is hosted on the My Oracle Support (MOS) portal . If you are starting a new project, do not choose 11g
