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Useful applications collect, munge, and present data to its users. Data becomes the lifeblood of an application, so to speak. As developers of an application with a single database, we are afforded many helpful abstractions: atomic transactions, tunable concurrency, indexes, materialized views, and more. This “single database view” of the world simplifies things for our application developers. As soon as we add more databases to our application (single application with multiple backends/databases), we have to deal with data challenges within the application. https://goo.gl/4F3RD7 #DataIntegration #ML
