Enterprise Developer provides a number of demonstration applications for Host Compatibility Option. You can access these via the Mainframe Samples Browser. For instructions on how to start the Mainframe Samples Browser, see To start the Samples Browser. The functionality represented includes:
You can find the HCO demonstration application source code in the %PUBLIC%\Documents\Micro Focus\Enterprise Developer\Samples\Mainframe\SQL\HCO for DB2 LUW directory.