google-app-engine


Using App Engine Datastore over MySQL for a CRM System


I am about to take on a project, and I will to ask which database is best to use to build and develop a CRM System that does a lot of reporting and calculations for an Advertisement company.
My choices are MySQL and the Google App Engine Datastore (NoSQL). Left to me I want to use the Datastore but am concerned about the constant reporting and constant calculations on the CRM System.
please advice.. Thanks
Consider google datastore limits in your analysis:
There is no aggregate functions in datastore, you won't be able to do group by.
Try both (PoC), and you'll find out which fits best your use case.

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