C170 Data Management Application. Top Exam Questions and answers, Rated A+.

C170 Data Management Application. Top Exam Questions and answers, Rated A+. A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? - -Many-to-Many Which kind of relationship is displayed in this entity-relationship diagram? - -Many-to-Many Unary Which kind of relationship is displayed in this entity-relationship diagram? - -Unary one-to-one How is this portion of the entity-relationship diagram read, from left to right? - -At least one book was written by an author. Which two examples are attributes? - -An employee number; A meeting code Which delete rule sets column values in a child table to a missing value when the matching data is deleted from the parent table? - -Set-to-Null In this entity-relationship diagram, Salesperson 361 is related to two customers. The table follows the restrict delete rule. What happens if somene tries to delete Salesperson 361 from the customer records? - -The delete is prohibited. Refer to the given SQL statement. Which two columns are created as something other than variable-length strings in this statement? - -member_id; expiration This database table has ten different employee numbers in the first column. Employee_ID is the primary key. In addition, it has ten different names in the second column and two office addresses repeated five times each in the third column. Which action should be used to translate this data into third normal form? - -Move the data from the third column into its own table. A database manager starts to convert data that has been normalized into a form that conforms to the relational model. A simple primary key has been established and all repeating groups have been deleted. In which form is this data? - -Second normal form Two attributes in two related tables have the exact same domain of values. The attribute is a primary key in one table. Which kind of key is the attribute in the other table? - -Foreign In this entity-relationship diagram, many salespersons are shown as working in at least one office. How is the relationship between salespersons and offices represented in the diagram? - -It is linked through the office ID. Which command creates a database