Mysql null delete from friend where name is NULL; Feb 22, 2012 · MySQL IF(NULL != "", 1, 0) does not work as expected. Instead, we use the IS NULL and IS NOT NULL (filtering non-null values) operators. 3, “Problems with NULL Values”. SELECT IFNULL(yourColumnName,0) AS anyAliasName FROM yourTableName; The second syntax is as follows: SELECT COALESCE(yourColumnName,0) AS anyAliasName FROM yourTableName; E. Jul 17, 2024 · NULL is a value place holder for optional table fields. Using MySQL the most universal solution is:!(tab. In MySQL, 0 or NULL means false and anything else means true. While you can always add a WHERE clause to check for NULL in a column of a table, MySQL provides you with additional ways to tackle this problem. g. MySQL if not null. jistmeqmfotfpyjlygqxdmmhmppzrotsbfhsaizuyawpnuscnofdgjokkztsphaakcmwokojmzzmjeh