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A 3.3.4 SQL Aggregate functions (HL Only)

SQL aggregate functions (AVG, COUNT, MAX, MIN, SUM) perform calculations on grouped data for reporting and decision-making within a database. (HL only). Updated 17/02/2026 By the end of this lesson, students will be able to: This lesson will explicitly address the following Approaches to Learning (ATL) skills: Link to presentation The eBook gives detailed guidance applying the AVERAGE, COUNT, MAX, MIN, and SUM...

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