CIW
1D0-441 · Question #123
The exhibit shows a relation for a companys projects. Which candidate key(s) would best serve as the primary key for this relation?
The correct answer is D. Proj_ID and Item_Num. See the full explanation below for the reasoning.
Question
The exhibit shows a relation for a companys projects. Which candidate key(s) would best serve as the primary key for this relation?
Exhibit
Options
- AS_Date and E_Date
- BProj_ID
- CItem_Num and E_Date
- DProj_ID and Item_Num
How the community answered
(40 responses)- A5% (2)
- B10% (4)
- C13% (5)
- D73% (29)
Community Discussion
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