SQL Aggregate Functions | SUM, AVG, COUNT, MIN, MAX
Learn how to use SQL aggregate functions to perform calculations on sets of values. In-depth guide to SUM, AVG, COUNT, MIN, and MAX. Complete.
4 docs tagged with "aggregates"
View all tagsSQL AVG Function | Calculating Averages
Master the SQL AVG function. Learn how to calculate the arithmetic mean of a column and how to handle NULL values in your averages. Complete.
SQL COUNT & SUM Functions | Totals and Headcounts
Learn how to use SQL COUNT and SUM functions. Understand the difference between COUNT(*), COUNT(col), and calculating column totals. Complete.
SQL MIN & MAX Functions | Finding Extremes
Learn how to find the lowest and highest values in your database using SQL MIN and MAX. Works with numbers, strings, and dates. Free student exam study guide.