• Question 5 A ____ is a logically connected set of one or more fields that describes a person , place , or thing .
• Question 6 End-user data is ____.
• Question 7 ____ relates to the activities that make the database perform more efficiently in terms of storage and access speed .
• Question 8 The ____ structure is quite different from that of an operational or transactional database .
• Question 9 A ( n ) ____ is bidirectional .
• Question 10 In the ____ model , the user perceives the database as a collection of records in 1 : M relationships , where each record can have more than one parent .
• Question 11 A ( n ) ____’ s main function is to help you understand the complexities of the real-world environment .
• Question 12 In the ____ model , the basic logical structure is represented as an upside-down tree .
• Question 13 ____ are important because they help to ensure data integrity .
• Question 14 The ____ model is the end users ’ view of the data environment .
• Question 15 A noun in a business rule translates to a ( n ) ____ in the data model .
• Question 16 A ( n ) ____ represents a particular type of object in the real world .
• Question 17 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 .