Given that SQL NULL is the value that is not equal to anything else — not even to NULL! — then how could NULL values possibly collate? If NULL ≠ NULL, then how can you make logical sense of any other relation, such as NULL ≥ NULL?
Given that SQL NULL is the value that is not equal to anything else — not even to NULL! — then how could NULL values possibly collate? If NULL ≠ NULL, then how can you make logical sense of any other relation, such as NULL ≥ NULL?