Data Models into Database Designs MCQs
Practice free Data Models into Database Designs multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 40 questions — no login required.
Question 10hard
Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
Question 11medium
The identifier of an entity will become the ________ of the new table.
Question 12hard
Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table?
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Question 13hard
A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):
Question 15easy
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?
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Question 16easy
Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?
Question 18easy
For every relationship, how many possible sets of minimum cardinalities are there?