Quick guide: SQL aggregate functions | Census

The SQL aggregate functions COUNT(), COUNTIF(), SUM(), AVG(), and MIN()/MAX() are essential building blocks for summarizing data, computing descriptive statistics quickly, and using advanced functions to better process and understand data insights in a universal language. Sandy Shores, a beach chair rental company, uses these functions to gain insight into their business operations, such as counting transactions, calculating total revenue, finding average customer behavior, and determining the range of values for chairs and amount rentals. By mastering these aggregate functions, users can improve their business operations and make data-driven decisions.