Information Technology > QUESTIONS & ANSWERS > PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO Attempt #1. Garded A+ (All)

PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO Attempt #1. Garded A+

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PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO Attempt #1 Status: Not Passed 1. A salesperson is authorized to sell many products and a product can be sold by many salespersons. Whic... h kind of binary relationship does this scenario describe? YOUR ANSWER CORRECT ANSWER One-to-one One-to-many Many-to-many One-to-one binary 2.Which kind of relationship is displayed in this entity-relationship diagram? YOUR ANSWE R CORRECT ANSWER One-to-one binary One-to-one unary Many-to-many binary Many-to-many unary3.Which kind of relationship is displayed in this entity-relationship diagram? YOUR ANSWE R CORRECT ANSWER Unary one-to-one Unary many-to-many Binary one-to-one Binary many-to-many Ternary one-to-one Ternary many-to-many4. How is this portion of the entity-relationship diagram read, from left to right? YOUR ANSWE R CORRECT ANSWER No books are written by an author. At least one book was written by an author. One book was written by more than one author. Only one book was written by one author. 5. Which two examples are attributes? Choose 2 answers YOUR ANSWE R CORRECT ANSWER A person attending a meeting An employee number A sales meeting Ameeting code 6.Which delete rule sets column values in a child table to a missing value when the matching data is deleted from the parent table? YOUR ANSWER CORRECT ANSWER Restrict Cascade Matching Set-to-Null 7. In this entity-relationship diagram, Salesperson 361 is related to two customers. The table follows the restrict delete rule. What happens if someone tries to delete Salesperson 361 from the customer records? YOUR ANSWE R CORRECT ANSWER The delete is prohibited. The delete occurs immediately. A new salesperson is assigned instead. The lack of a salesperson is flagged for later. 8. Refer to the given SQL statement. CREATE TABLE member( member_id INT UNSIGNED NOT NULL AUTO_INCREMENT, PRIMARY KEY (member_id), last_name VARCHAR(20) NOT NULL, first_name VARCHAR(20) NOT NULL, suffix VARCHAR(5) NULL, expiration DATE NULL, email VARCHAR(100) NULL, street VARCHAR(50) NULL, city VARCHAR(50) NULL, state VARCHAR(2) NULL, zip VARCHAR(10) NULL, phone VARCHAR(20) NULL, interests VARCHAR(255) NULL ); Which two columns are created as something other than variable-length strings in this statement? Choose 2 answers YOUR ANSWER CORRECT ANSWER member_id last name suffix expiration email city 9. Employee_IDEmployee_NameOffice_Address 12342 Jacob 54123 Main Street 12346 Michael 354 Center Avenue 12846 Ethan 54123 Main Street 12887 Joshua 54123 Main Street12894 Daniel 354 Center Avenue 13097 Alexander 354 Center Avenue 13112 Anthony 54123 Main Street 13411 William 354 Center Avenue 13987 Christophe r 354 Center Avenue 13998 Matthew 54123 Main StreetThis 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? YOUR ANSWE R CORRECT ANSWER Move the data from the third column into the first column. Move the data from the third column into its own table. Move the data from the first two columns into separate tables. Move the data from the second column into the third column. 10. 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 the repeating groups have been deleted. In which form is this data? YOUR ANSWER CORRECT ANSWER First normal form Second normal form Third normal form Fourth normal form 11. 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?YOUR ANSWE R CORRECT ANSWERYOUR ANSWER CORRECT ANSWER Foreign Primary Compound Composite 12. 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? YOUR ANSWE R CORRECT ANSWER It is undefined. It is linked through the office ID.It is linked through the salesperson ID. It is indicated by the tables’ adjacency.10/16/2019 WGU Student Portal | Coaching Report https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/637764/assessmentCode/PFJO/testDate/1571272279 9/2 7 13. Which command creates a database only if it does not already exist? YOUR ANSWE R CORRECT ANSWER IF NOT EXISTS db_name ; CREATE DATABASE IF NEW db_name ; CREATE DATABASE IF NOT EXISTS db_name ; IF NOT EXISTS CREATE DATABASE db_name ; 14. Refer to the given SQL statement. SELECT PRODNUM, PRODNAME FROM PRODUCT Which line should be added to the end of the statement to return the product numbers and product names for products that cost 20 dollars? YOUR ANSWE R CORRECT ANSWER WHERE PRODCOST=20; AND PRODCOST=20; WHERE [Show More]

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