These are useful database interface builder tool, that can do your big part of work in a minute.

Check how to create a CategorySet and Configuration overview.

Load a CategorySet in admin panel to process data.

Execute SQL condition and fetch/update data from a CategorySet.

How to prepare an InformationSet to process data.

How to create a base part and configure it.

InformationSet field part define all field settings.

Sample codes of all type of field.

How to retrieve data from InformationSet.