CIS 111 STUDY Great Stories/cis111study.com CIS 111 STUDY Great Stories/cis111study.com | Page 3

• Question 20 In an outer join, the matched pairs would be retained
and any unmatched values in the other table would be left ____.
• Question 21 ____ combines all rows from two tables, excluding
duplicate rows.
• Question 22 Since it is used to link the tables that originally were
related in a M:N relationship, the composite entity structure
includes—as foreign keys—at least the ____ keys of the tables that
are to be linked.
• Question 23 ____ yields only the rows that appear in both tables.
• Question 24 A(n) ____ is an ordered arrangement of keys and
pointers.
• Question 25 A ____ relationship exists when an association is
maintained within a single entity.
• Question 26 A ____ relationship exists when three entities are
associated.
• Question 27 A ____ identifier is composed of more than one
attribute.
• Question 28 A ____ should be a derived attribute.
• Question 29 If an entity can exist apart from one or more related
entities, it is said to be ____-independent.
• Question 30 An entity is said to be ____-dependent if it can exist in
the database only when it is associated with another related entity
occurrence.
• Question 31 A ____ entity has a primary key that is partially or
totally derived from the parent entity in the relationship.