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Brazil's deep-sea container trade, 2024–2025: who carries the boxes, how long ships wait and why, berth occupancy, empty flows and box-size mismatch. ANTAQ data, vessel-level carrier mapping of 324 ships.
Reproducible SQL data warehouse of Brazilian port operations (ANTAQ-style). DuckDB star schema with documented analytical queries (joins, CTEs, window functions) over berthings and cargo.