====== Apply an Oracle Patch (on Windows)  ======

  - Extract patch (p28574555_122010_MSWIN-x86-64.zip) to a folder (C:\)
  - set ORACLE_HOME=C:\Oracle\product\12.2.0\dbhome_1
  - set PATH=%ORACLE_HOME%\bin;%ORACLE_HOME%\OPatch
  - cd C:\p28574555_122010_MSWIN-x86-64\28574555
  - stop all Oracle instances
  - opatch apply
  - if everything went ok: "OPatch succeeded."