By following the instructions in this article, you will gain a deeper understanding of the ALTER TABLE statement in MySQL and learn how to add a new column to your MySQL tables. That can allow you to modify the database schema as needed to meet changing data needs and enhance the functionality of your applications.Īdding a new column to a MySQL table can provide additional data storage capacity and flexibility, and enable more complex queries and data analysis. In this short article, we took a peek at how to add a column to an existing MySQL table using the ALTER TABLE statement. To modify a current column of a table, the syntax is: ALTER TABLE MODIFY To add a foreign key to a table.This command will add the new phone_number column after the last_name column in the customers table. Adding a Column After a Specific Columnīut what If you want to add the new column after a specific existing column? You can use the AFTER clause: ALTER TABLE customers ALTER TABLE employeesĪnd that's it! Once you run this statement, a new column called salary with a data type of INT will be added to the employees table. Let's take a look at how to accomplish that by using the ALTER TABLE statement:
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