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Which of the following is a characteristic of the three-tier database architecture?
Correct Answer:B
The exhibit shows a table called Housing Relation. This table relates a unique student identification number with a dormitory building and a room fee for that building. The key for the Housing Relation is Student_ID. If each building charges only one fee and a student can live in only one building, then this table is in which normal form?
Correct Answer:B
Which pair of relational algebraic operations requires union compatibility?
Correct Answer:C
A relation for a construction company is shown in the exhibit. Which of the following best defines the relationship between Cust_ID and Cust_Name?
Correct Answer:D
Which term describes the management of simultaneous transactions to prevent conflicts?
Correct Answer:D