In a relation ____.
A) several rows can be identical
B) the columns must be arranged in a single, particular order
C) the rows must be arranged in a single, particular order
D) a single row/column position, called a cell, can have multiple values
E) None of the above.
Correct Answer:
Verified
Q1: The values of a candidate key of
Q2: A candidate key of a relation that
Q4: The attribute(s) that make up a foreign
Q5: An attribute or combination of attributes that
Q6: The primary key of the relation added
Q7: All of the following are true about
Q8: The values of the primary key of
Q9: A foreign key _.
A) must have the
Q10: The relational data model was first described
Q11: In relational database, the basic data structure
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