Bio

Ben is a director of Acuity Training which he has been running for over 10 years.
He is a Natural Sciences graduate from the University of Cambridge and a qualified accountant with the ICAEW.
He previously worked as a venture capitalist and banker and so had extensive experience with Excel from building financial models before moving to learn SQL, Microsoft Power BI and other technologies more recently.

SQL Aggregate Functions

SQL aggregate functions are functions that perform calculations on multiple rows and return an aggregated single value. For instance, the […]

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SQL Interview Questions

This article explains the type of interview questions that can be asked for SQL-related job positions such as database developer, […]

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