I would think that a database would be the one common thing when doing Mico services. Do you really scatter the data around like you do service endpoints. (my experience using and mocking micro services may not be representative.
Better to keep data central.
Keeping data central causes all the problems @jbristow
And a "data accessor library" isn't a solution, it's just a bottleneck, in terms of flexibility if not even performance for your whole system.
Microservices should own their data, and communicate through APIs they expose, ideally through commands and events.
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