Question

Explain various principles of null value

Answer 1

Answer:

null value is mainly a blank value.

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Answer 2

Answer:

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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