[Solved] You want to combine SCD Type 2 with data quality checks in dbt. Which strategy is best? - Ans: Add tests to ensure no overlapping active records and correct date ranges | dbt

dbt - Advanced Patterns

You want to combine SCD Type 2 with data quality checks in dbt. Which strategy is best?

ASkip data quality checks to speed up processing

BAdd tests to ensure no overlapping active records and correct date ranges

COnly check for null values in source data

DRun data quality checks after deleting old records

Step-by-Step Solution

Solution:

Step 1: Identify relevant data quality checks for SCD Type 2 and evaluate options
Checks should confirm no overlapping active records and valid date ranges to maintain integrity. Add tests to ensure no overlapping active records and correct date ranges includes these checks; others ignore key quality aspects or run checks too late.
Final Answer:
Add tests to ensure no overlapping active records and correct date ranges -> Option B
Quick Check:
Data quality tests prevent SCD errors [OK]

Quick Trick: Test for overlaps and date correctness [OK]

Common Mistakes:

MISTAKES

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You want to combine SCD Type 2 with data quality checks in dbt. Which strategy is best?