Each entity is represented as a(n):

More Questions from Data Models into Database Designs

• Which of the following situation requires the use of ID-dependent entities?
• A primary key should be defined as:
• In a 1:1 relationship, the foreign key is placed in:
• In a 1:N relationship, the foreign key is placed in:
• The DBMS allows surrogate keys to be changed.
• For every relationship, there are six possible referential integrity actions.
• In 1:N relationships, which entity becomes the parent entity is arbitrary.
• A foreign key is used to implement relationships between tables.
• All primary keys are required.
• When the parent entity is required, a new parent row can always be inserted.

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