-- 1. CTE BÁSICA — Ventas por región WITH ventas_por_region AS ( SELECT region, COUNT(*) as total_ventas, SUM(monto) as total_monto, AVG(monto) as promedio_monto FROM ventas GROUP BY region ) SELECT * ...
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-- 1. Rank carriers by total shipment volume.
This extreme over-linking is a direct consequence of aggressive merging: at μ = 0.47, the 1,000 references are collapsed into only 36 clusters, generating a massive number of false positive pairs.
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