Timeline for If nulls are evil, what should be used when a value can be meaningfully absent?
Current License: CC BY-SA 4.0
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| May 4, 2021 at 7:03 | comment | added | Netch | A typical NULL can either denote "no data what value is real here" and "we know there is no value", among with a lot of more subtle variants (e.g. temporary or permanent absence of value). Having a unified NULL for both is the main reason why SQL NULLs are that messy and regularly confusing programmers. | |
| May 3, 2021 at 19:02 | history | answered | Mike Robinson | CC BY-SA 4.0 |