In this article, we will see what is GROUP_CONCAT with a simple example. The MySQL GROUP_CONCAT function combines strings or numbers from a group into a single string. The function needs the result set to be grouped by a column which GROUP_CONCAT utilizes and produce the result as expected. To make it sense, let’s consider the following example.

In the preceding example, we have used ID in the GROUP_CONCAT function to combine all the ID’s of the grouped result set with the delimiter and . There is more to it. This is just a simple example we have shown you here. If you want to know more about it, check out this link from the official documentation of MySQL.