A(n) _____ only returns matched records from the tables that are being joined.
A) outer join
B) inner join
C) equijoin
D) theta join
Correct Answer:
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Q27: A _ is the primary key of
Q28: A _ contains at least all of
Q29: The CUSTOMER table's primary key is CUS_CODE.
Q30: _ logic, used extensively in mathematics, provides
Q31: A _ is any key that uniquely
Q33: _ returns only the attributes requested, in
Q34: A _ key is defined as a
Q35: To be considered minimally relational, the DBMS
Q36: Referential _ dictates that the foreign key
Q37: The _ constraint can be placed on
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