MYSQL CONCAT FROM SELECT HOW TO
MYSQL CONCAT FROM SELECT CODE

Note- The result is clipped to the maximum length specified by the system variable group_concat_max_len, whose default value is 1024. We will have only one table here so that we can focus on the functionality of our topic without getting dragged away. There can be multiple subjects related to a single student, and there are records of multiple students. Examples of MySQL GROUP_CONCAT() Functionįirst, we will create a table of three attributes: id, subject, and student name. We will start from a simple example and then head towards a complex one. Now let’s see some examples of the GROUP_CONCAT() function. Note- The square brackets ( ) are used to represent optional parameters. By default, values in string are seperated by comma (,) operator. SEPERATOR is used to specify a seperator between two values in a resulting a string.ORDER BY is used to sort the values in either ascending or descending order.DISTINCT is used to avoid repeated values.

MYSQL CONCAT FROM SELECT CODE

) Code language: SQL (Structured Query Language) ( sql ) The GROUP_CONCAT() function has multiple optional parameters for different possible outcomes. Let’s start from syntax and then dive into a practical approach so that you can understand the GROUP_CONCAT() function quickly. You can write a simple statement that consists of a GROUP_CONCAT() function or a statement with a combination of aggregate functions such as ORDER BY, GROUP BY, and alike. There is a broad scope of using a GROUP_CONCAT() aggregate function. In simple terms, GROUP_CONCAT() function concatenates the values from multiple rows into a single string and returns it. The GROUP_CONCAT() is an aggregate function in MySQL that is used to return concatenated string values if at least one of the values in the group is Non-NULL.

MYSQL CONCAT FROM SELECT HOW TO

In this tutorial, we will study the MySQL GROUP_CONCAT() function and learn how to use it practically with multiple examples. Jowever, it is built for a slightly different purpose. The MySQL GROUP_CONCAT() is one of those aggregate functions pretty similar to MySQL CONCAT() aggregate function. MySQL provides us with a wide range of aggregate functions that make our life easier.

Mysql concat from select