mysql where value is null
SELECT *
FROM contacts
WHERE last_name IS NULL;
mysql where value is null
SELECT *
FROM contacts
WHERE last_name IS NULL;
check if value is null mysql
SELECT * from TABLE where CODE IS NULL OR CODE!='C'
if column value is null then in mysql
SELECT
contactname, IFNULL(bizphone, homephone) phone
FROM
contacts;
mysql set value as null
UPDATE table SET field = NULL WHERE something = something
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