A POS transaction would probably update databases in the following sequence
A)Data mart, operational data store, data warehouse
B)Operational data store, data warehouse, data mart
C)Data mart, data warehouse, operational data store
D)Data mart, operational data store, data warehouse.
E)Data warehouse, data mart, operational data store.

Question

Quizplus · Accepted Answer

Operational data stores (ODS) are updated first with real-time transactional data. This data is then consolidated and transferred to a data warehouse for long-term storage and analysis. Finally, specific subsets of this data are organized into data marts for access by end-users.

A POS Transaction Would Probably Update Databases in the Following