give it's answer please?
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Answered by
1
City because each person can be from different cities so primary key cant be applied on it as it may not have fixed values.
vkm787:
please read the question once again it is asking columns not column
Answered by
1
Columns with name and city cannot be specified as Primary key.
Ex:
In brainly, More than 10 people are having the same name which I have and also in that 2 to 3 people are from my city.
Mobile number and userID will be constant.
Hope this helps!
Ex:
In brainly, More than 10 people are having the same name which I have and also in that 2 to 3 people are from my city.
Mobile number and userID will be constant.
Hope this helps!
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