CIS 111 help Making Decisions/uophelp.com CIS 111 help Making Decisions/uophelp.com | Page 2

• Question 10 A(n) ____ represents a particular type of object in the real world. • Question 11 A(n) ____ is anything about which data are to be collected and stored. • Question 12 A verb associating two nouns in a business rule translates to a(n) ____ in the data model. • Question 13 A(n) ____ is a restriction placed on the data. • Question 14 In the ____ model, the basic logical structure is represented as an upside-down tree. • Question 15 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 16 A noun in a business rule translates to a(n) ____ in the data model. • Question 17 A(n) ____ join only returns matched records from the tables that are being joined. • Question 18 A ____ is any key that uniquely identifies each row. • Question 19 The ____ constraint can be placed on a column to ensure that every row in the table has a value for that column. • 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.