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help1402

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UWA week 40 (2nd semester, week 10) ↓

mid semester Q9 (all 3)

9:48pm Tue 1st Oct, Hafiz A.

ANONYMOUS wrote: BranchID wont be unique in some cases. so this alone cannot be a candidate key. imagine having multiple people from same branch appearing in this table of yours.

> Staff > ------ > StaffID Name Salary BranchID > P100 Bluey 5000 A100 > P200 Peppa Pig 10000 D200 > null DanielTiger 8000 A200 > > In the above table, can BranchID be candidate key given StaffID as primary key?

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