QUESTION:
What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which contains a null value?
ANSWER:
The Inclusion of a null value results in each of these computations yielding a null value as the result.
QUESTION: What is the result of an attempt to add, subtract, multiply, or divide two number fields, one of which contains a null value?
QUESTION: What is the difference between a character field that contains a null value and a character field that contains a single blank space?
QUESTION: Which comparison operators can be used when searching for null values? Which comparison operators cannot be used when searching for null values? What is…
QUESTION: What is the difference between a character field that contains a null value and a character field that contains a single blank space?
QUESTION: Which comparison operators can be used when searching for null values? Which comparison operators cannot be used when searching for null values? What is…
Responses