mysql - Sql vs nosql for a realtime messaging app? -
i creating messaging app. have users stored in mysql database , messages stored in google datastore nosql database. wondering drawbacks of having messages in mysql database since fetching message , user simultaneously.
is there performance drawbacks?
generally, different database usage cannot affect if backend architecture well-defined. database stores data manipulate. think authentication use mysql , store data in google datastore. performance drawbacks coming bandwidth of server.
i propose must use same database store data, more stable , easy manage.
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