mysql if null
snippet in sql

mysql check if not null

user9220

SELECT * 
FROM table 
WHERE YourColumn IS NOT NULL;

mysql if null

user4415

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

if column value is null then in mysql

user4109

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

mysql return 0 if null

user2316

SELECT IFNULL(field, 0) AS field FROM products WHERE id = 1

SELECT IFNULL(SUM(field), 0) as field FROM products