Question

Benefits of a Data Warehouse
As an analyst working for a pan-India chain of hospitals, you have to convince the upper management to
invest in building a data warehouse architecture. Which of the following is NOT a good reason in
support of a data warehouse?
a
It will give a holistic view of various departments across various hospital branches in
different cities and thus help in better planning.
A data warehouse will make it easier to enter and update all patient-related
information since all the information would be stored in one place.
It will help preserve historic data, and hence, it will help in identifying trends.
It will assist in faster analysis and reporting, since relevant data can be retrieved easily using
a warehouse.​

Answer 1

Answer:

what the duck is going here

Answer 2

Answer:

B - A data warehouse will make it easier to enter and update all patient-related  information since all the information would be stored in one place.

Explanation:

It is not a good practice to update data warehouse for tansactional purpose. It's used for analysis and hence, only ETL is to be followed in Data Warehouse and Data should sync with transactional database