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In the Following Database Design Language (DBDL) Notation, What Does

Question 49

Multiple Choice

In the following Database Design Language (DBDL) notation, what does SK stand for? Employees (EmpID, LastName, FirstName, SSN, DeptNum)
AK SSN
SK LastName, FirstName
FK DeptNum à Departments


A) subkey
B) start key
C) SQL key
D) secondary key

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