Answers for "how to modify table using alter in mysql"

alter table mysql

ALTER TABLE contacts
  ADD last_name varchar(40) NOT NULL
    AFTER contact_id,
  ADD first_name varchar(35) NULL
    AFTER last_name;

Posted by: Guest on April-14-2020

alter table query in mysql

ALTER TABLE `employees`CHANGE `emp_id` `emp_id` int(11) NULL;

Posted by: Guest on June-10-2021

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