Assume that you use the Product operation on table A (5 attributes) x table B (3 attributes) . The resulting supertable will have
A) 15 attributes
B) 8 attributes
C) 2 attributes
D) 10 attributes
Correct Answer:
Verified
Q18: The rules for producing XML encodings of
Q19: The key field for a database of
Q20: What operation combines two tables based on
Q21: What operation takes rows from one table
Q22: The Select operation on tables is often
Q24: Logical tables are created from a(n)
A) query
B)
Q25: Relationships in a database schema show how
A)
Q26: Rules for writing XML include
A) element names
Q27: An attribute or a set of attributes
Q28: XML must be written using a
A) web
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