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Joining and Aggregating Data

Aggregating Data with SQL

Gain useful insights from the data in your database. In this course you will explore the different options in SQL for grouping, aggregating and performing calculations on your data.

Intermediate        7 Lessons        90 Minutes        CPD Credits
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About This Course

With the basics covered, it’s time to start asking proper questions of your database using SQL. In this course, you will discover that, by adding simple operators, you can vastly improve the analytical potential of your SQL queries.

You will drill down into your database, using operators like SUM, AVG, MIN and MAX. You will calculate the average value of a numerical column and use the COUNT function on a number of records. You will also explore some of SQL’s more advanced options for filtering your results.

By the end of this course, you will feel confident incorporating advanced calculations into your SQL queries to gain useful, informative insights from your data.

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Learning Outcomes

  • Understand data granularity and aggregation
  • Sum data
  • Get the average of a set of data
  • Get a count for number of records
  • Group aggregated data
  • Filter using aggregated data


1. Course Introduction
2. The SUM Function
3. The COUNT Function
4. More Aggregate Functions
5. Grouping Aggregated Data
6. Filtering Aggregated Data with HAVING

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