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What does the is_incremental() macro in dbt indicate when used inside a model?

easy📝 Conceptual Q11 of 15
dbt - Incremental Models
What does the is_incremental() macro in dbt indicate when used inside a model?
AIf the model has any syntax errors
BWhether the model is running in incremental mode or full-refresh mode
CThe total number of rows in the model
DThe database connection status
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of is_incremental()

    This macro returns true if the model is running incrementally, false if running a full-refresh.
  2. Step 2: Identify what it indicates in the model

    It tells the model whether to add only new data or rebuild fully.
  3. Final Answer:

    Whether the model is running in incremental mode or full-refresh mode -> Option B
  4. Quick Check:

    is_incremental() = incremental mode check [OK]
Quick Trick: Remember: is_incremental() checks incremental run status [OK]
Common Mistakes:
MISTAKES
  • Thinking it checks for errors
  • Confusing it with row count
  • Assuming it checks connection status

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