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Which of the following is the correct way to describe an access pattern in DynamoDB?

easy🧠 Conceptual Q12 of 15
DynamoDB - Access Patterns and Query Optimization
Which of the following is the correct way to describe an access pattern in DynamoDB?
AA list of all table columns.
BA query that the app will run to get data.
CThe number of items in the table.
DThe size of the database backup.
Step-by-Step Solution
Solution:

  1. Step 1: Define what an access pattern is

    An access pattern is a way the app queries or retrieves data from the database.

  2. Step 2: Match the options to this definition

    Only "A query that the app will run to get data." describes a query the app will run, which fits the access pattern meaning.

  3. Final Answer:

    A query that the app will run to get data. -> Option B

  4. Quick Check:

    Access pattern = app query [OK]
Quick Trick: Access pattern means how app queries data [OK]
Common Mistakes:
MISTAKES
  • Confusing access pattern with table schema
  • Thinking access pattern is about data size
  • Mixing access pattern with backup info

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