52
Given IFNULL(arg1,arg2), if arg1 is not NULL, IFNULL() returns arg1; it otherwise returns arg2. IFNULL() returns a numeric or string value, depending on how it's used. ::
52
Given IFNULL(arg1,arg2), if arg1 is not NULL, IFNULL() returns arg1; it otherwise returns arg2. IFNULL() returns a numeric or string value, depending on how it's used.