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What is the main idea behind the CQRS pattern in Kafka-based systems?

easy📝 Conceptual Q11 of 15
Kafka - Event-Driven Architecture
What is the main idea behind the CQRS pattern in Kafka-based systems?
ASeparating commands (writes) and queries (reads) into different parts
BUsing a single topic for both commands and queries
CStoring all data in one database without separation
DIgnoring events and focusing only on commands
Step-by-Step Solution
Solution:

  1. Step 1: Understand CQRS basics

    CQRS stands for Command Query Responsibility Segregation, which means separating write and read operations.

  2. Step 2: Apply to Kafka context

    In Kafka, commands and queries are handled separately, often using different topics for clarity and scalability.

  3. Final Answer:

    Separating commands (writes) and queries (reads) into different parts -> Option A

  4. Quick Check:

    CQRS = Separate commands and queries [OK]
Quick Trick: Remember CQRS splits writes and reads separately [OK]
Common Mistakes:
MISTAKES
  • Thinking commands and queries share the same topic
  • Confusing CQRS with event sourcing
  • Assuming CQRS means no events are used

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