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      How to Combine Two Aggregate Functions in SQL

      pubsub.slavino.sk / learnsql · Tuesday, 7 June, 2022 - 16:00 edit

    Having trouble using two aggregate functions in one query? This article will show you how to do it the right way – actually, the two right ways. In data analysis and reporting, we often need to count the number of records or sum them up and then calculate the average of this count or sum. Translated to SQL logic, this is the aggregation of aggregated data, or multi-level aggregation. For aggregation purposes, there are the SQL aggregate functions.

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