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Given this dbt model snippet:

medium📝 Predict Output Q4 of 15
dbt - Packages and Reusability
Given this dbt model snippet:
{{ dbt_date.spine(start_date='2023-01-01', end_date='2023-01-03') }}

How many rows will the resulting date spine have?
A4
B2
C3
D1
Step-by-Step Solution
Solution:
  1. Step 1: Calculate the number of dates between start and end

    From 2023-01-01 to 2023-01-03 includes 3 dates: Jan 1, Jan 2, Jan 3.
  2. Step 2: Confirm inclusive counting

    The date spine includes both start and end dates, so total rows = 3.
  3. Final Answer:

    3 -> Option C
  4. Quick Check:

    Inclusive date count = 3 [OK]
Quick Trick: Date spine includes both start and end dates [OK]
Common Mistakes:
MISTAKES
  • Counting only days between without including end date
  • Assuming exclusive end date
  • Miscounting total rows

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