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DD-TRF-003 Complex Joins, Exceptions and Transformation Logic Get the data →
DD-TRF-003-Q018 Medium Time series

Blank customer codes by month

Count rows with an empty CustomerCode by month. Report the month with the most and its count; break ties by earliest month.
Expected
One row per month: YearMonth, count; peak flagged · Line chart
Tables
FactTransformationEvents · columns
  • FactTransformationEvents
  • CustomerCode
  • TransactionDate
Topics
Data Quality

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