True/False
Whether or not an attribute is required is determined during the database modeling phase.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: To represent a one-to-many relationship in a
Q3: To represent an IS-A relationship in a
Q4: To represent a one-to-many relationship in a
Q5: When transforming an ID-dependent E-R data model
Q6: A surrogate key is appropriate when the
Q7: When transforming an extended E-R model into
Q8: The values of a surrogate key have
Q9: The ideal primary key is short,numeric,and fixed.
Q10: When representing a 1:1 relationship in a
Q11: Which of the following is not true