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Why does optimizing SQL models in dbt help reduce warehouse costs?

easy🧠 Conceptual Q11 of 15
dbt - Performance Optimization
Why does optimizing SQL models in dbt help reduce warehouse costs?
ABecause it reduces the amount of data scanned and processed
BBecause it increases the number of queries run
CBecause it stores more data for future use
DBecause it makes the warehouse hardware faster
Step-by-Step Solution
Solution:

  1. Step 1: Understand data scanning impact on cost

    Warehouse costs often depend on how much data is scanned during queries.

  2. Step 2: Connect optimization to data scanned

    Optimizing SQL models reduces unnecessary data scanned, lowering query time and cost.

  3. Final Answer:

    Because it reduces the amount of data scanned and processed -> Option A

  4. Quick Check:

    Less data scanned = lower cost [OK]
Quick Trick: Less data scanned means lower cost [OK]
Common Mistakes:
MISTAKES
  • Thinking more queries reduce cost
  • Assuming storing more data saves money
  • Believing hardware speed affects cost directly

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