Help me in solving GSQ08 problem

help
,
1

My issue

at the last line why select *from employee; used

My code

/* Write a query to add a column 'Designation' to the table and set 'Null' as the default value. Output the entire table.*/

ALTER TABLE Employee
ADD COLUMN Designation TEXT default NULL;

select *from employee;

Learning course: Learn SQL
Problem Link: CodeChef: Practical coding for everyone