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SNHU DAD 220 Exam 2023 With Questions and Answers
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SNHU DAD 220 Exam 2023 With Questions and Answers...
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SNHU DAD 220 Exam 2023 With Questions andAnswers
In Jeopardy-style online quiz you are playing the "answers" to the bonus question:
1. All non-key columns must depend on the whole primary key 2. A table with a
simple primary key is automatically in this form 3 This form does not eliminate all
redundancies - 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 tables.
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 games. A coworker has created the
table Attendance, which estimates the average attendance at home games next
season for franchises in each division of the National League and the American
League. - ANSWER SELECT League, Division, MAX(Average) FROM Attendance
GROUP by League, Division ORDER by League, Division
1. SELECT MIN(Year) FROM Opioid Addiction
2. SELECT MAX(Percentage) FROM Opioid Addiction
3.SELECT COUNT(*) FROM Opioid Addiction WHERE Percentage <0.04
4. SELECT AVG(Percentage) FROM Opioid Addiction - ANSWER 1.2016
2. 0.066
3. 4
4. 0.039
1. SELECT CONCAT(CITY,FRANCHISNAME) FROM ATTENDANCE WHERE
GAMEPLAYERS < 35000
2. SELECT REPLACE('ST. LOUIS','ST.','SAINT')
3. SELECT SUBSTRING('ST. LOUIS',1,3)
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