Compute a Running Total in MySQL
A running total also known as a cumulative sum represents the summation of the values as they accumulate over time or a specific sequence. It offers insights into the cumulative progress, growth, or accumulation of the quantity over a period. For instance, in financial applications, the totals are used to track account balances, revenue, expenses, or stock prices over time.
- Using Variables
- Using Subqueries
- Using JOINs
How to Compute a Running Total in MySQL
Computing running totals is a common task that involves calculating the cumulative sum of the values over a specified sequence or range. MySQL a popular relational database management system provides powerful features for performing such computations efficiently.
In this article, we’ll explore how to calculate running totals in MySQL using various techniques and approaches.