I am not sure whether this is what you mean, but if you wanted to ask whether Callmanager Express works with UCCX, then the answer is yes. UCCX premium does have a database subsystem and using that you can do database lookups.
Take a look at the "Cisco Unified Contact Center Express (Cisco Unified CCX) Software and Hardware Compatibility Guide" available on Cisco's Support web.
I guess my question is if you are able to do the database dips when integrated with CME. It seems since the functionality resides in UCCX and not CME that you would be able to do everything but I was told you can't when integrated with CME and I'm just looking for confirmation on can or can't.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.