mysql return 0 if null
SELECT IFNULL(field, 0) AS field FROM products WHERE id = 1
SELECT IFNULL(SUM(field), 0) as field FROM productsmysql return 0 if null
SELECT IFNULL(field, 0) AS field FROM products WHERE id = 1
SELECT IFNULL(SUM(field), 0) as field FROM productsmysql ifnull
##syntax:
SELECT IFNULL(col_with_null_value, default_value);
##you can see the result select with the string NA where the document is null:
SELECT IFNULL(user_document_id, 'NA');mysql if null
IFNULL(MAX(EMAIL), "[email protected]") as emailif column value is null then in mysql
SELECT
contactname, IFNULL(bizphone, homephone) phone
FROM
contacts;Copyright © 2021 Codeinu
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