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A microservice deployment fails after schema changes in a shared database. What is the primary cause of this failure?

medium📝 Analysis Q6 of 15
Microservices - CI/CD for Microservices
A microservice deployment fails after schema changes in a shared database. What is the primary cause of this failure?
ATight coupling due to shared database schema causing deployment conflicts
BIndependent deployment ensures no schema conflicts
CMicroservices never share databases
DDeployment failure is unrelated to database schema
Step-by-Step Solution
Solution:
  1. Step 1: Identify shared database impact

    Shared schemas create coupling between microservices.
  2. Step 2: Understand deployment failure

    Schema changes can break other services relying on the same database.
  3. Final Answer:

    Tight coupling due to shared database schema causing deployment conflicts -> Option A
  4. Quick Check:

    Shared schemas reduce deployment independence [OK]
Quick Trick: Shared schemas cause coupling and deployment issues [OK]
Common Mistakes:
  • Assuming independent deployment prevents all failures
  • Ignoring database schema dependencies

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