DAD 220 Module 5 Quiz with 100% Correct Solutions
In a Jeopardy-style online quiz you are playing, the "answers" to the bonus points
question on normal forms are listed as the following:
"All non-key columns must depend on the whole primary key."
"A table with a simple primary key is automatica...
DAD 220 Module 5 Quiz with 100% Correct Solutions In a Jeopardy -style online quiz you are playing, the "answers" to the bonus points question on normal forms are listed as the following: "All non -key columns must depend on the whole primary key." "A table with a simple primary key is automatically in this form." "This form does not eliminate all redundancies." To which normal form do these answers apply? Select one. - Answer - Second normal form Denormalization intentionally introduces redundancy by merging tables and therefore improves query performance. Which types of normal form tables does it result in? Select all that apply. - Answer - First or Second Form When a table is in third normal form, which of these is true? Select one - Answer - All non-key columns depend on the whole primary key and on no other columns. You are analyzing data for a new sports stats website and have access to their databases related to the Major League Baseball (MLB) games. A coworker has created the table Attendance, which estimates the average attendance at home games next season for fra nchises in each division of the National League (NL) and the American League (AL). League Division Average NL East 41,253 NL West 36,857 NL Central 37,625 AL East 45,303 AL West 39,758 AL Central 32,506 Suppose you need to extract a list of the highest average attendance for each league and each division in it, then order it by league and then division. Which of the following should be your query? Select one. - Answer - SELECT League, Division, MAX (Average) FROM Attendance GROUP by League, Division ORDER by League, Division Your study group has access to the databases of some organizations working on substance abuse treatment and rehabilitation. For an assignment, your professor asks you to query one such database in particular a table, Opioid Addiction, that exists in a database. This table provides the estimated percentage of opioid addiction for each New England state in the population and the year of record. StateYearPercentageA20160.024B20170.032C20160.043D20180.034E20160.036F201
80.066 MySQL query statements to produce different data from this table are listed below as are the resultant data themselves. Match each query statement to the correct data. Instructions: Choose your responses from the drop -down menus below. Response options cannot be used more than once. - Answer - 1.SELECT MIN (Year) FROM Opioid Addiction - 2016 2.SELECT MAX (Percentage) FROM Opioid Addiction - 0.066 3. SELECT COUNT (*) FROM Opioid Addiction WHERE Percentage <0.04 - 4 4. SELECT AVG (Percentage) FROM Opioid Addiction - 0.039 You and a classmate are interning with a fantasy games developer that markets mobile games related to the National Football League (NFL). Their database contains a table, SuperBowlStats, that provides details about the winning team names that were most
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