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Results tagged with null
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user 213943
A database concept used to represent missing, unknown or inapplicable data.
0
votes
When to use NULL and when to use an empty string?
Chances are that
a person said something (non empty string)
a person said nothing (empty string)
you don't know what a person said (null value)
You can make your data mean what is more convenient to …
- 101