+ 2
Can unique have more than one null value?
6 Respostas
+ 2
Yes, a unique column may have more than one null value.
+ 1
nope, a unique column can't have null value at all😊
+ 1
unique column can have Null values and multiple ones at that. also primary column is indeed a unique column but there can be multiple unique columns in a table.
- 1
nop, unique column cannot contain null values
- 1
nope unique key cannot contain null value
- 3
Unique column can only contain one null value.
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