DIGITALPROНе нашел в Documentation как обновится с 3.1.0 на 3.1.2,
т.е. там есть про

или я что то не правильно понял

http://www.oracle.com/technology/products/database/application_express/html/3.1.2_patchnote.html

The Oracle Application Express 3.1.2.00.02 patch set can be applied to Oracle Application Express release 3.1.0.00.32 or Oracle Application Express release 3.1.1.00.09. Apply the patch to the Oracle database where Oracle Application Express schemas are installed. This patch will determine if additional languages are installed, and will apply the patch for those languages as well. Oracle9i release 2 (9.2.0.3) and higher supports this patch set.