How to Change the Data Type for a Column in MySQL
In this tutorial, we are going to see how to change the data type for a column in MySQL. The ALTER TABLE statement is used to add, remove or modify columns in an existing table. Here is the Syntax to change the data type for a column in MySQL table:
ALTER TABLE tableName
MODIFY columnName type
[ FIRST | AFTER columnName ];
How to Change the Data Type for a Column in MySQL
The following query will change the data type for the column “address” to be of type varchar(100) and force the column to allow NULL values.
ALTER TABLE users MODIFY address varchar(100) NULL;
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