What is a NULL Value?A NULL value is a zero valueA NULL value is a field that contains spacesA field with a NULL value is a field with no value.A NULL value is different from a zero value or a field that contains spaces
Question
What is a NULL Value?A NULL value is a zero valueA NULL value is a field that contains spacesA field with a NULL value is a field with no value.A NULL value is different from a zero value or a field that contains spaces
Solution
A NULL value is a field with no value. It is different from a zero value or a field that contains spaces. A NULL value in a database really means the absence of a value. It is a common misconception that a NULL value is the same as zero or a field that contains spaces. A field with a NULL value is one that has been left blank during record creation.
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