Computer Science, asked by priyankapinku, 1 year ago

explain NULL value and its various principles

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Answered by gaurav2893
6
The SQL NULL is the term used to represent a missing value. A NULL value in a table is a value in a field that appears to be blank.

A field with a NULL value is a field with no value. It is very important to understand that a NULL value is different than a zero value or a field that contains spaces. is the null value. ..
principals of it is  Principle · In inferential statistics, the null hypothesis is a general statement or default position that there is no relationship ...

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