Hexaware Appian Interview Experience

This is the second round of Interview - held around 25 to 30 minutes.

Started with self introduction and past responsibilities, the questions followed as listed below:

1. Why to use CDTs over Record types?
2. How will you configure a database/data source in appian (at admin level)?
3. Difference between len() and length()?
4. Asked to write Appian query for the condition : Where firstName='Emp' OR LastName='Emp' AND isActive=true().
5. Tell me the result of : ria=10,rib=5 difference(enumerate(ria),enumerate(rib)+1)?
6. Difference between enumerate and repeat?
7. Challenges faced in projects.
8. For projects, I told insurance and banking - so related questions were asked.
9. Overview of triggers and procedures.