CIS 111 Seek Your Dream/newtonhelp.com

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• Question 14 The ____ model is the end users’ view of the data environment. • Question 15 A(n) ____’s main function is to help you understand the complexities of the real-world environment. • Question 16 Students and classes have a ____ relationship. • Question 17 A(n) ____ join only returns matched records from the tables that are being joined. • Question 18 A(n) ____ is an ordered arrangement of keys and pointers. • Question 19 ____ combines all rows from two tables, excluding duplicate rows. • Question 20 In the relational model, ____ are important because they are used to ensure that each row in a table is uniquely identifiable. • Question 21 A ____ is any key that uniquely identifies each row. • Question 22 The ____ constraint can be placed on a column to ensure that every row in the table has a value for that column. • Question 23 A ____ contains at least all of the attribute names and characteristics for each table in the system. • Question 24 ____ yields only the rows that appear in both tables. • Question 25 The M:N relationship between STUDENT and CLASS must be divided into two 1:M relationships through the use of the ENROLL entity; the ENROLL entity is ____. • Question 26 A relationship is an association between ____. • Question 27 A ____ relationship exists when an association is maintained within a single entity.


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