• Question 9 The ____ model is the end users’ view of the data environment.
• 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