Column cannot be null Mysql

Question

Below is my table structure

CREATE TABLE IF NOT EXISTS `physicians` (
  `physician_id` bigint(20) NOT NULL AUTO_INCREMENT,
  `user_id` bigint(20) NOT NULL,
         


        

Answer 1

If you don't want to enter a value simply don't make the column not null, skip this statement, else it is compalsary to enter a value in it.