Explain the possible interpretations of a null value. What ...

[lidoalex]

Explain the possible interpretations of a null value.
 
  What will be an ideal response?

Question 2

When creating an OLAP report based on Access 2013 data, it is often a good idea to create a view equivalent query to organize the data needed for the OLAP report.
 
  Indicate whether the statement is true or false

[paavo]

Answer to Question 1

The problem with allowing null values in a table is that the null value is open to three different interpretations. First, a null value in a field may mean that no value is appropriate for the field for the given record. Second, a null value may mean that the value of that field is known to be blank for the given record. Third, a null value may mean that the value of that field is not known for the given record.

Answer to Question 2

TRUE