This section covers most of the data analysis concepts and SQL commands you'll need to work with data in a database. If you don't know SQL at all or you're looking for a refresher, start here.

Aggregate data and join tables for more meaningful analysis across broader data sets.

Nov 1, 2023 · When using SQL databases, we can easily run a SQL query to find out the mode of a given column. Below are several options we can use to calculate the mode in SQL.

The original answer I posted (retained below) will produce the mode (s) at the top of the table and requires the user to pick out the value (s) they need. This new solution works better in my …

Mar 10, 2015 · Next to the average and the median, there is another statistical value that you can calculate over a set: the mode. This is the value that appears the most often in the set.

Learn to answer questions with data using SQL, no prior coding required, guiding you through foundational to advanced SQL skills.

Nov 20, 2023 · While calculating the average and median in SQL Server is straightforward, determining the mode can be a bit more challenging. In this article, we will explore how to …