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There is a big difference between not knowing a value and knowing the value is empty.
by spullara 10y ago
There is a big difference between not knowing a value and knowing the value is empty.
- Retra 10y agoThat's really up to the context of the problem, and the specific semantics of a null value. (Which is a value, and a present one at that. If you need to account for missing data, you can do that any number of ways, with sentinel values of any kind.)