D427 /C170 WGU DATA MANAGEMENT – APPLICATIONS QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)|ALREADY GRADED 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? One-to-one One-to-many Many -to-many One-to-one binary - CORRECT ANSWER ✔✔ Many -to-many Which two examples are attributes? Choose 2 answers A person attending a meeting An employee number A sales meeting A meeting code - CORRECT ANSWER ✔✔ 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? Restrict Cascade Matching Set-to-Null - CORRECT ANSWER ✔✔ Set-to-Null 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 varia ble-length strings in this statement? Choose 2 answers member_id last name suffix expiration email city - CORRECT ANSWER ✔✔ member_id expiration Employee_ID Employee_Name Office_Address 12342 Jacob 54123 Main Street 12346 Michael 354 Center Avenue 12846 Ethan 54123 Main Street 12887 Joshua 54123 Main Street 12894 Daniel 354 Center Avenue 13097 Alexander 354 Center Avenue 13112 Anthony 54123 Main Street 13411 William 354 Center Avenue 13987 Christopher 354 Center Avenue 13998 Matthew 54123 Main Street 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 t he third column . Which action should be used to translate this data into third normal form? 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 int o separate tables. Move the data from the second column into the third column. - CORRECT ANSWER ✔✔ 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 the repeating groups have been deleted. In which form is this data? First normal form Second normal form Third normal form Fourth normal form - CORRECT ANSWER ✔✔ 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 Primary Compound Composite - CORRECT ANSWER ✔✔ Foreign When a product is deleted from the product table, all corresponding rows for the product in the pricing table are deleted automatically as well. What is this referential integrity technique called?
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