Recently, there has been a lot of interest in services. These can be microservices or just services. In each case, the service provides a function with its own code and data and operates independently of partners. This article argues that there are a number of seminal differences between data encapsulated inside a service and data sent into the space outside of the service boundary.
SQL data is encapsulated within a service to ensure it is protected by application code. When sending data across services, it is outside that trust boundary.
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