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Microservice Architecture · interview question

Why might HTTP API calls be preferred over SQL JOINs across microservices?

Multiple choiceMediumchapter-18-curatedpremiummicroservice-architecturebounded-contexts
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Answer and explanation

Correct answer

B. To maintain loose coupling between services.

Why

Using HTTP API calls instead of SQL JOINs ensures that services remain loosely coupled and can evolve independently, reducing dependencies on a shared database schema.

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