How to change MySQL column definition?

Question

I have a mySQL table called test:

create table test(
    locationExpect varchar(120) NOT NULL;
);

I want to change the locationExpect colum

Answer 1

Syntax to change column name in MySql:

alter table table_name change old_column_name new_column_name data_type(size);

Example:

alter table test change LowSal Low_Sal integer(4);