(11.2.0.2) remains one of the most popular free database editions for learning, development, and lightweight deployment. Released in 2011, it democratized access to Oracle’s enterprise-grade features for students, hobbyists, and small teams.

Supports up to 11 GB of user data (excluding system data). Memory: Restricted to 1 GB of RAM.

Note: Oracle no longer provides public downloads of XE 11g R2, as support ended in 2020–2021. However, it is widely archived and still used in legacy training.

Comes with a pre-installed version of APEX for rapid web application development.