Review the SaleItem relation below where ItemNumber plus OrderNumber is the primary key. What type of primary key does this relation have? SALEITEM (ItemNumber, OrderNumber, Quantity, Price) Group of answer choices Composite primary key Surrogate primary key Transitive primary key Alternate primary key
Review the SaleItem relation below where ItemNumber plus OrderNumber is the primary key. What type of primary key does this relation have? SALEITEM (ItemNumber, OrderNumber, Quantity, Price) Group of answer choices Composite primary key Surrogate primary key Transitive primary key Alternate primary key
Chapter4: Constraints
Section: Chapter Questions
Problem 1RQ: What is the difference between a PRIMARY KEY constraint and a UNIQUE constraint?
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Review the SaleItem relation below where ItemNumber plus OrderNumber is the primary key. What type of primary key does this relation have?
SALEITEM (ItemNumber, OrderNumber, Quantity, Price)
Group of answer choices
Composite primary key
Surrogate primary key
Transitive primary key
Alternate primary key
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