![]() ![]() In this example, we will drop the product_date column from the Products table. Suppose, we have a Products table as below: ![]() Let’s understand the concept of MySQL DROP COLUMN with the help of some examples. If you are dropping a column from a large table having millions of rows may take system resources and time.Any other application that depends on the dropped column must also be changed.You have to manually fix the code by removing the dropped column to it valid again. Removing a column from a table makes all the database objects like views, stored procedures, triggers that are referencing to the dropped column invalid.ALTER TABLE table_nameįollowing are the few important points that you need to keep in mind while dropping columns from a table. You can also drop multiple columns from a table using the single ALTER TABLE statement as below. Note that the COLUMN keyword is optional here. Next, specify the name of the column which you want to drop from the table. Let’s understand the above syntax in more detail.įirst, specify the name of the table name after the ALTER TABLE keywords. ![]() MySQL DROP COLUMN Syntaxįollowing is the syntax for dropping a column from the MySQL table. So, you need to do double-check before dropping a column. Dropping a column deletes the data which belongs to that column. MySQL DROP COLUMN statement allows us to drop one or more columns from the MySQL table. In some situations, you may want to drop one or more columns from the MySQL table. Summary: in this tutorial, you will learn how to drop one or more columns from the MySQL table using the MySQL DROP COLUMN statement with syntax and examples. ![]()
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