================================================== CIS 111 Week 2 Assignment 1 Business Rules and Data
Models ( 2 Papers )
. Question 5 Correct A ( n ) ____ database supports a relatively small number of users ( usually fewer than 50 ) or a specific department within an organization . . Question 6 Correct A ____ database supports data distributed across several different sites . . Question 7 Correct End-user data is ____. . Question 8 Correct A ____ is a character or group of characters that has a specific meaning . . Question 9 Correct The ____ data model uses the concept of inheritance . . Question 10 Correct 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 Correct A ( n ) ____ represents a particular type of object in the real world . . Question 12 Correct A ( n ) ____ is a restriction placed on the data . . Question 13 Correct A ( n ) ____’ s main function is to help you understand the complexities of the real-world environment . . Question 14 Correct A noun in a business rule translates to a ( n ) ____ in the data model . . Question 15 Incorrect In the ____ model , each parent can have many children , but each child has only one parent . . Question 16 Correct A verb associating two nouns in a business rule translates to a ( n ) ____ in the data model . . Question 17 Correct A ____ is any key that uniquely identifies each row . . Question 18 Correct Referential ____ means that if the foreign key contains a value , that value refers to an existing valid tuple ( row ) in another relation . . Question 19 Correct A ( n ) ____ is an ordered arrangement of keys and pointers . . Question 20 Correct Any attribute that is part of a key is known as a ____.
================================================== CIS 111 Week 2 Assignment 1 Business Rules and Data
Models ( 2 Papers )