how to change column datatype in mysql code example

Example 1: sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Example 2: alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;

Example 3: change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;