Difference between NULL and Blank Value in Mysql

Question

I have to check for a value of a particular Column named RESULT is blank or not.

When I check with if RESULT IS NULL, the query failed, bu

Answer 1

NULL in database systems - No value set for the field. A void

NULL (character) - A blank, an ASCII/Unicode character with no graphical representation. But it is present in code page as a character constant '\0' with a character value 0 or 000.