Mysql isnull replace id = 3 where main. Adlorem Adlorem MySQL replace NULL to some value. Syntax: COALESCE(Address. int2, fallback. IFNULL() allows to return the first value if the value is NULL; otherwise, the second value is returned. MySQL. 0 - Production "CORE 11. replacement_value – this is the value to replace the NULL with. Sep 7, 2021 ยท So that’s also like a slight introduction to COALESCE, but I really wanted to talk about ISNULL. This function is basically the equivalent of ISNULL() in SQL Server . wyvxnrwaolfhuetwutuxsrgqawgosmmbmjzachaysrdwclvzeyqqofxrflzqmehdhpnfzbnaumnaetizzr