Day: December 19, 2021

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Standard SQL – Work around needed for less than operator not working with blank/NULL date – AthenaS3

Goal: Join multiple attributes using PKs and then add multiple rows with unique Ids; d.activity_date, d.activity_type_id using ON d.lead_id AND d.activity_date between a.effective_start_date, a.effective_end_date. This will give me a table I can use to pivot and view activity by a specific a.journey_id. Current Outcome: When I add in the my second AND clause of less than a.effective_end_date […]

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