Abstract: SQL query optimization aims to choose an optimal Query Execution Plan (QEP) for a query. The existing optimizers usually choose the plan with the minimal execution cost. However, in some ...

Overview Each tool serves different needs, from simplicity to speed and SQL-based analytics workflows.Performance differences matter most, with Polars and DuckD ...

Abstract: Inferring structured queries from human language is a complex task that should take into account the lack of knowledge of structural languages like SQL, XQuery, XPath, etc..., in order to ...

('Camisa de Algodón - Nike', 1, 25.00, 25.00 * (1 - 0.30), 1000), -- 30% menos ('Pantalones de Mezclilla - Levi''s', 2, 40.00, 40.00 * (1 - 0.29), 1000), -- 29% ...