What is the integer or double equivalent of the NULL character. That is, the integer that can be entered to represent NULL when using integers (supposing 0 is accepted as a valid integer and not a NULL).
Or a set would work, a set of the actual values would returned not found if you looked up a non-existing value. On NULL it really only applies to pointers. It is a special representation for the platform that indicates that the pointer is invalid. The NULL pointer for a … Read More
[QUOTE]What is the integer or double equivalent of the NULL...The computer checks the particular index in the array to know if it contains a value or not.[/QUOTE] What we are talking about here is the null in the relational database world; the SQL NULL, which essentially says that "this information … Read More
Edited by vijayan121: n/a