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Mohammed A#7

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mohammedalfakih-dev:week9/mohammed-alfakih
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Mohammed A#7
mohammedalfakih-dev wants to merge 1 commit into
HackYourAssignment:mainfrom
mohammedalfakih-dev:week9/mohammed-alfakih

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@mohammedalfakih-dev

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Summary

Completed the Week 9 NYC Taxi analytics assignment.

Changes

  • Added validation queries for duplicates, nulls, fare ranges, and orphaned pickup zones.
  • Created vw_fact_trips and vw_dim_zones.
  • Added verification queries for volume, revenue, geospatial, and time patterns.
  • Added data_dictionary.md, AI_ASSIST.md, and the borough-count screenshot.

Comment thread verification_results.sql
FROM vw_fact_trips AS t
GROUP BY
TO_CHAR(t.pickup_datetime, 'Day'),
EXTRACT(DOW FROM t.pickup_datetime)

@danlaudk danlaudk Jul 8, 2026

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this is dangerous doign group by two things when you only want one , even though you hope/expect the same thing. maybe you can still put both in the select, and if not there must be a cleaner alternative (even to use FIRST would be better)

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2 participants