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What is the primary reason to align your DynamoDB table design with your application's query requirements?

easy🧠 Conceptual Q1 of 15
DynamoDB - Access Patterns and Query Optimization
What is the primary reason to align your DynamoDB table design with your application's query requirements?
ATo reduce the cost of data storage
BTo ensure queries are efficient and avoid full table scans
CTo allow unlimited secondary indexes
DTo enable automatic data backups
Step-by-Step Solution
Solution:
  1. Step 1: Understand Access Patterns

    Access patterns define how your application queries data.
  2. Step 2: Design Keys Accordingly

    Designing keys based on these patterns ensures queries use indexes efficiently.
  3. Final Answer:

    To ensure queries are efficient and avoid full table scans -> Option B
  4. Quick Check:

    Efficient queries depend on key design [OK]
Quick Trick: Design keys to match queries for efficiency [OK]
Common Mistakes:
MISTAKES
  • Ignoring query patterns and using arbitrary keys
  • Assuming DynamoDB automatically optimizes queries
  • Relying on scans instead of indexes

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