Answers for "0 if null mysql"

SQL
0

mysql return 0 if null

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

SELECT IFNULL(SUM(field), 0) as field FROM products
Posted by: Guest on December-12-2020
4

check if value is null mysql

SELECT * from TABLE where CODE IS NULL OR CODE!='C'
Posted by: Guest on March-17-2020

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