Answers for "mysql where column is null"

mysql where value is null

SELECT *
FROM contacts
WHERE last_name IS NULL;

Posted by: Guest on April-09-2020

set column to not null mysql

ALTER TABLE Person MODIFY P_Id INT(11) NOT NULL;

Posted by: Guest on April-16-2020

if column value is null then in mysql

SELECT 
    contactname, IFNULL(bizphone, homephone) phone
FROM
    contacts;

Posted by: Guest on November-05-2020

Code answers related to "mysql where column is null"