Consider the following relation:
Sales (SaleID, ProductID, ProductName, SaleDate, Quantity, UnitPrice, TotalPrice).
Note: The underlined columns/attributes are PKs.
Which of the following dependencies exist in this relation? (Select all that apply)

Question

Consider the following relation:

Sales (SaleID, ProductID, ProductName, SaleDate, Quantity, UnitPrice, TotalPrice).

Note: The underlined columns/attributes are PKs.

Which of the following dependencies exist in this relation? (Select all that apply)

Accepted Answer

ProductID → ProductName, UnitPrice

Accepted Answer

SaleID → SaleDate, Quantity, TotalPrice

Accepted Answer

(SaleID, ProductID) → Quantity, TotalPrice

Answer

ProductID → Quantity

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