Do Math with Your Data

Use aggregate functions to summarize the data.

Let’s make your database do some basic calculations. SQL includes powerful functions like COUNT, SUM, AVG, MIN, and MAX—they’re easier than you think.

Goal

You’ll aim to:

  • Use SQL aggregate functions to summarize data.

  • Calculate totals, averages, highs, and lows.

Tables

Let’s use the following table in this lesson:

The people table

Get hands-on with 1400+ tech skills courses.