RANK() OVER (PARTITION BY l.facility_id ORDER BY l.activity_date ASC) AS first_rank, RANK() OVER (PARTITION BY l.facility_id ORDER BY l.activity_date DESC) AS last_rank ...
A structured, daily journey from expert BI developer (Tableau, SQL-fluent Senior Data Analyst) toward Analytics Engineering — building the deep SQL fluency needed to write production-grade, multi-CTE ...
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