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If null mysql

Mysql where value is null

SELECT *
FROM contacts
WHERE last_name IS NULL;

9

Check if value is null mysql

SELECT * from TABLE where CODE IS NULL OR CODE!='C'

4

Source: stackoverflow.com

Mysql if null

IFNULL(MAX(EMAIL), "example@google.com") as email

2

If null mysql

SELECT IFNULL(NULL, "W3Schools.com");

0

If column value is null then in mysql

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

0

Source: mysqltutorial.org

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