While data warehouses are loaded on a scheduled basis, holds operational data that is more current than in the data warehouse.

The correct answer is "Operational data store (ODS)".

Explanation:

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.

answernaturalistic observation;