Every application needs to store data at some point during its execution to a durable data store. The data store could be as simple as a flat file and as complex as a full-fledged database management system. The data store acts as the single source of truth for the application. For instance, the bank balance of your account with your bank is stored in some form of data store. This single data is the only source of truth for the bank in identifying how much money they are keeping for you.
Irrespective ...
