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Discussion on: You Can Do it in SQL, Stop Writing Extra Code for it

 
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Mihail Malo

Keeping data central causes all the problems @jbristow mentioned.
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.