14 What does the query below do? SELECT MAX(salary)-MIN(salary) AS diff, FROM Employees GROUP BY deptID...
14
What does the query below do?
SELECT MAX(salary)-MIN(salary) AS diff,
FROM Employees
GROUP BY deptID
ORDER BY diff;
Displays the range of employee salary for each department, sorted by department id first and then by salary range
Displays the range of employee salary for each department, sorted by salary range
Displays the range of employee salary for each department, sorted by department id
Displays the maximum salary, and minimum salary for each department, sort by department id
Homework Answers
Displays the range of employee salary for each department, sorted by salary range
Option 2
Add Answer to:
14
What does the query below do?
SELECT MAX(salary)-MIN(salary) AS diff,
FROM Employees
GROUP BY deptID...
Problem 33, chapter 7 from Database Systems 13th edition by Coronel Write a query to display...
Problem 33, chapter 7 from Database Systems 13th edition by Coronel Write a query to display the employee number, last name, email address, title, and department name of each employee whose job title ends in the word “ASSOCIATE.” Sort the output by department name and employee title Problem 36, chapter 7 from Database Systems 13th edition by Coronel Write a query to display the number of products within each base and type combination, sorted by base and then by type...
Please refer to the following business scenarios: (i) Using SELECT statements of SQL, find the employee...
Please refer to the following business scenarios:
(i) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and email of all employees working in
Asia (i.e. all countries coming from the region
‘Asia’). This query must be implemented
as a nested query!
(ii) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and supervisor id of employees who had
worked for more than 3 years and completed...
Code in C language ADT: typedef struct{ int ID; float salary; int age; }Employee; ...
code in C language ADT: typedef struct{ int ID; float salary; int age; }Employee; Specification: In this lab, five functions need to be implemented using the given ADT. 1. Employee* readRecord(FILE*) This function receives a FILE pointer created before. It reads a line from the provided csv file, and creates an Employee struct pointer with the information from that line then returns the pointer back to the calling function. Each line in the provided csv file contains the id, salary,...
Can you please write the MySQL Query sentences for the following items below? For example: SELECT...
Can you please write the MySQL Query sentences for the following items below? For example: SELECT * FROM employees; Generate a list of salespeople sorted descending by hire date. Show the ID, first name, last name, hire date, and salary for each salesperson. Generate a list of customers whose last name begins with the letter “M.” Show the first and last names of these customers. Sort the list of customers descending by last name. C. Generate a list of customers...
Top of Form Q1 Which of the following is a valid aggregate function in SQL? Check...
Top of Form Q1 Which of the following is a valid aggregate function in SQL? Check only those that apply. Question 1 options: AVG LEAST COUNT MIN MOST SUM Q2 Which of the following aggregate functions will only operate on a numeric value expression? Check only those that apply: Question 2 options: MIN MAX AVG COUNT SUM Q3 When applying DISTINCT to the value being calculated in an aggregate function like COUNT, what is the effect? SELECT COUNT(DISTINCT StreetName) FROM...
Write following queries given these schemas: (FK stands for Foreign Key) Customer = {customerID, firstName, lastName,...
Write following queries given these schemas: (FK stands for Foreign Key) Customer = {customerID, firstName, lastName, income, birthDate} Account = {accNumber, type, balance, branchNumberFK-Branch} Owns = {customerIDFK-Customer, accNumberFK-Account} Transactions = {transNumber, accNumberFK-Account, amount} Employee = {sin, firstName, lastName, salary, branchNumberFK-Branch} Branch = {branchNumber, branchName, managerSINFK-Employee, budget} Focus should be on using: Order By to sort data Set Operators to union/intersect multiple tables Join Operator to join multiple tables Aggregations and Group By to aggregate data Subqueries 3.8 SIN, first name,...
Which SQL statement retrieves the EmployeeName and City columns from the Employees table? O LIST EmployeeName,...
Which SQL statement retrieves the EmployeeName and City columns from the Employees table? O LIST EmployeeName, City ON Employees; O FIND EmployeeName, City ON Employees; SELECT EmployeeName, City FROM Employees; O RETRIEVE EmployeeName, City FROM Employees; Which SQL statement finds the different cities in which national parks reside with no duplicate rows listed? SELECT DISTINCT city FROM natlpark ORDER BY city; O ORDER BY natlpark DISTINCT city; O ORDER BY city FROM natlpark; O SELECT city FROM natlpark ORDER BY...
2. GROUP BY Scenario 2: The R&D department of PVFC is conducting a study for its...
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Subject: Algorithm. solve only part 3 and 4 please. 2.2 Selection- 5 points each 1. Run the simultaneous min-and-max algorithm on the array A 4, 2, 12, 6, 13,9,15). (16, 7, 10, 1,5, 11,3,8, 14, 2....
Subject: Algorithm.
solve only part 3 and 4 please.
2.2 Selection- 5 points each 1. Run the simultaneous min-and-max algorithm on the array A 4, 2, 12, 6, 13,9,15). (16, 7, 10, 1,5, 11,3,8, 14, 2. Explain why the above algorithm is better than the naive algorithm for finding minimum and maximum separately. How many comparisons does the naive algorithm do? How many comparisons does the simultaneous min and max do? 3. Use the randomized select algorithm based on partition...
QUERY EXAMPLE2 SELECTfrom Employee em (Refer to query example 2 to answer questions 12- 13) 12....
QUERY EXAMPLE2 SELECTfrom Employee em (Refer to query example 2 to answer questions 12- 13) 12. You plan to join the Location table and fear there may be some employees with no location. You want to make sure that the query returns a list of all employee What join clause would you add to the query above? records. A. LEFT JOIN Location lo ON em.LocationlD lo LocationID B. RIGHT JOIN Location lo ON em.LocationID lo.LocationlD C. INNER JOIN Location lo...
Please refer to the following business scenarios:
(i) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and email of all employees working in
Asia (i.e. all countries coming from the region
‘Asia’). This query must be implemented
as a nested query!
(ii) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and supervisor id of employees who had
worked for more than 3 years and completed...
Which SQL statement retrieves the EmployeeName and City columns from the Employees table? O LIST EmployeeName, City ON Employees; O FIND EmployeeName, City ON Employees; SELECT EmployeeName, City FROM Employees; O RETRIEVE EmployeeName, City FROM Employees; Which SQL statement finds the different cities in which national parks reside with no duplicate rows listed? SELECT DISTINCT city FROM natlpark ORDER BY city; O ORDER BY natlpark DISTINCT city; O ORDER BY city FROM natlpark; O SELECT city FROM natlpark ORDER BY...
2. GROUP BY Scenario 2: The R&D department of PVFC is conducting a study for its new product design. The department needs to find out how existing products are priced differently based on product type, wood finlish and product line. As a data anallyst in the Bl department, you are given the following three sets of requirements and asked to generate three result sets from the PVFD DB for the R&D For each product ine ID, calculate the average and...
Subject: Algorithm.
solve only part 3 and 4 please.
2.2 Selection- 5 points each 1. Run the simultaneous min-and-max algorithm on the array A 4, 2, 12, 6, 13,9,15). (16, 7, 10, 1,5, 11,3,8, 14, 2. Explain why the above algorithm is better than the naive algorithm for finding minimum and maximum separately. How many comparisons does the naive algorithm do? How many comparisons does the simultaneous min and max do? 3. Use the randomized select algorithm based on partition...
QUERY EXAMPLE2 SELECTfrom Employee em (Refer to query example 2 to answer questions 12- 13) 12. You plan to join the Location table and fear there may be some employees with no location. You want to make sure that the query returns a list of all employee What join clause would you add to the query above? records. A. LEFT JOIN Location lo ON em.LocationlD lo LocationID B. RIGHT JOIN Location lo ON em.LocationID lo.LocationlD C. INNER JOIN Location lo...
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