1. Installation Guide
  2. Installing Application Express and Configuring Legacy Web Listener – Oracle HTTP Server (Deprecated)
  3. Oracle Database Requirements

B.1 Oracle Database Requirements

Oracle Application Express release 20.1 requires an Oracle Database release 11.2.0.4 or later, including Enterprise Edition and Express Edition (Oracle Database XE). Oracle Application Express can be installed in single-instance database and in Oracle Real Application Clusters (Oracle RAC) database.

If you are upgrading an Oracle Database version 12.1 CDB, you must download from My Oracle Support the one off patch for bug 20618595. Search for 20618595 on the Patches tab.

Parent topic: Installing Application Express and Configuring Legacy Web Listener – Oracle HTTP Server (Deprecated)