![]() ![]() ![]() The following script creates a table student with four columns ( sid, firstname, lastname, and email). In contrast, the CONCAT_WS() function returns the NULL value only if the separator is NULL. There is another significant difference between these functions in that the CONCAT() function returns the NULL value if any of the arguments are NULL. The MySQL GROUPCONCAT () function is an aggregate function that concatenates strings from a group into a single string with various options. These two functions differ because the CONCAT_WS() function works along with a separator between strings, whereas the CONCAT() function does not allow the use of separators. Two different functions can be used to accomplish this task.īoth CONCAT() and CONCAT_WS() functions concatenate two or more strings. Similarly, if an address is split into multiple columns in a database and you want it as a single address, including city, state, and country in your application, then the CONCAT function would be very useful. If you have two separate columns in the database as first name and last name and want to show value in both the columns as a single string full name, you can use one of the two given approaches to accomplish your task. It is possible to simplify the above procedure by concatenating the values as you select rows from the Database Table. SELECT CONCAT(zipcode, -, city,, , state) FROM Table This way, if the data in the fields changes, you dont have to update your combined field. This task can easily be accomplished pro-grammatically by selecting fields from a MySQL table and storing their values into one variable after concatenating their values. In this article, we will see an SQL query to concatenate two-column into one with the existing column name. This article will show you various ways to concatenate data of two columns in MySQL. Concatenate Columns Using the CONCAT_WS Function in MySQL.Concatenate Columns Using the CONCAT Function in MySQL. ![]()
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