WGU C170 - Data Management Applications.|A+ Graded Update

WGU C170 - Data Management Applications.|A+ Graded Update 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 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 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? 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 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 the 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 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? Cascaded delete Refer to the given information. CREATE TABLE 'test1' ( contact_id INT(10), name VARCHAR(10), event_id INT(5), Which command should be added to the end to make the event_id attribute the primary key within a CREATE TABLE statement? PRIMARY KEY (event_id)); What does the clause PRIMARY KEY followed by a field name in parentheses mean in a CREATE TABLE statement? The column, in parentheses, is the primary key for the table. Which statement should be used so that it assigns a foreign key to the customer name? FOREIGN KEY (customer_name) REFERENCE table_name (customer_name) Which command creates a database only if it does not already exist? CREATE DATABASE IF NOT EXISTS db_name; 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? WHERE PRODCOST=20; What does WHERE identify in a basic SQL SELECT statement? The rows to be included Refer to the given SQL statement. SELECT EMPNUM FROM EMPLOYEE Which line added to the end of the statement returns employee numbers of at least 1000? WHERE EMPNUM >=1000; Refer to the given SQL statement. SELECT PRODNUM, SUM(QUANTITY) FROM SALESPERSON Which line, when added to the end of the statement, returns the total number of each kind of product by product number? GROUP BY PRODNUM; Which data definition language statement affects databases or objects in them? ALTER What does the DELETE statement do? It removes from a table Which condition must be in effect to use the INSERT INTO ... VALUES syntax for an INSERT statement? The VALUES list must contain a value for each non-null column in the table Refer to the given SQL statement. CREATE TABLE mytbl ( f FLOAT(10,4), c CHAR(15) NOT NULL DEFAULT 'none', i TINYINT UNSIGNED NULL ); Which kind of data type is FLOAT in this statement? Decimal Which two SQL data types can represent images or sounds? BINARY; TINYBLOB Refer to the given SQL statement. CREATE TABLE CUSTOMER