One of the important properties of a column is whether or not it is ________.
A) found in more than one entity
B) required
C) character or numeric
D) subject to normalization
E) subject to denormalization
Correct Answer:
Verified
Q66: When the child entity is required (M)in
Q67: Which of the following is not true
Q68: To represent a one-to-many relationship in a
Q69: When representing a 1:1 relationship in a
Q70: The ideal primary key is _.
A)short
B)numeric
C)fixed
D)A and
Q73: The first step in transforming an extended
Q74: In relational database design,ID-dependent entities are used
Q75: A surrogate key should be considered when
Q76: Many-to-many relationships are represented by _.
A)two tables
Q77: In many-to-many relationships in a relational database
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