Abstract: Aggregation functions such as COUNT, SUM, AVG, MAX, and MIN are basic tools for summarizing data in SQL. However, their behavior can be affected by several factors such as the occurrence of ...

Excel is one of those tools that we all know and use, but let’s be honest—most of us barely scratch the surface of its true potential. Sure, you’ve probably mastered the basics like SUM or AVERAGE, ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data. In May 1974, Donald Chamberlin and Raymond Boyce published a paper on ...

COALESCE(ROUND(SUM(p.price * u.units) * 1.0 / SUM(u.units) * 1.0, 2), 0) as average_price This table may have duplicate rows. This table contains information collected from some queries on a database.

Abstract: We present SUDAF (Sharing User-Defined Aggregate Functions), a declarative framework that allows users to formulate UDAFs as mathematical expressions and use them in SQL statements. SUDAF ...

ABSTRACT: The recent failure of commonly accepted, inductive, econometric models to provide insights into real, macroeconomic phenomenon during economic crises has provoked a debate concerning ...