Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 6, Problem 6.42PAE
Program Plan Intro
SQL query to list the total number of lessons taught by tutors in each of the three status categories (Active, Temp stop, Dropped).
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Classify students according to the total number of hours they have completed. (Less than30=freshman, 30 to 59 is sophomore, 60 to 89 is junior, 90+ senior)
WEEK 4 ASSIGNMENT
Complete the following exercises:
Using your student table, what is the average GPA?
Using your student table, what is the minimum GPA?
Explain why the following select statement is incorrect (your answer should be limited to no more than a few sentences):
SELECT COUNT(first_name) FROM student
Explain the following select statement (your answer should be limited to no more than a few sentences):
SELECT MIN(DISTINCT gpa) FROM student
For each different job_id group in the employee table, show the average salary and job_id for the group whose average salary is greater than 6000 and order records according the average salary attribute
Chapter 6 Solutions
Modern Database Management
Ch. 6 - Define each of the following terms: dynamic view...Ch. 6 - Match the following terms to the appropriate...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Explain the relationship between EXISTS and...Ch. 6 - Prob. 6.7RQCh. 6 - Under what conditions can a UNION clause be used?Ch. 6 - Prob. 6.9RQCh. 6 - Explain why it is necessary to limit the kinds of...
Ch. 6 - Describe a set of circumstances for which using a...Ch. 6 - Prob. 6.12RQCh. 6 - Prob. 6.13RQCh. 6 - Prob. 6.14RQCh. 6 - Prob. 6.15RQCh. 6 - Prob. 6.16RQCh. 6 - Prob. 6.17RQCh. 6 - Prob. 6.18RQCh. 6 - Prob. 6.19RQCh. 6 - List for advantages of SQL-invoked routines.Ch. 6 - Prob. 6.21RQCh. 6 - Prob. 6.22RQCh. 6 - Prob. 6.23RQCh. 6 - This chapter discusses the data dictionary views...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Write SQL retrieval commands for each of the...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Write SQL queries to answer the following...Ch. 6 - Write SQL queries to answer the following...Ch. 6 - Write an SQL query to answer the following...Ch. 6 - Prob. 6.31PAECh. 6 - Prob. 6.32PAECh. 6 - Prob. 6.33PAECh. 6 - What do you need to do if a tutor signs up and...Ch. 6 - Prob. 6.35PAECh. 6 - Write the SQL query to find any tutors who have...Ch. 6 - Prob. 6.37PAECh. 6 - Write an SQL query to determine the total number...Ch. 6 - Prob. 6.39PAECh. 6 - Prob. 6.40PAECh. 6 - Prob. 6.41PAECh. 6 - Prob. 6.42PAECh. 6 - Prob. 6.43PAECh. 6 - Which tutor needs to be reminded to tum in...Ch. 6 - Prob. 6.45PAECh. 6 - Write an SQL query to list all product line names...Ch. 6 - Modify to include only those product lines the...Ch. 6 - Prob. 6.48PAECh. 6 - Prob. 6.49PAECh. 6 - Write an SQL query to display the order number,...Ch. 6 - Prob. 6.51PAECh. 6 - Prob. 6.52PAECh. 6 - Prob. 6.53PAECh. 6 - Prob. 6.54PAECh. 6 - Prob. 6.55PAECh. 6 - Prob. 6.56PAECh. 6 - Prob. 6.57PAECh. 6 - Prob. 6.58PAECh. 6 - Write an SQL query to list each customer who...Ch. 6 - Prob. 6.60PAECh. 6 - Modify Problem and Exercise 6-60 so that the list...Ch. 6 - Prob. 6.62PAECh. 6 - Prob. 6.63PAECh. 6 - Prob. 6.64PAECh. 6 - Prob. 6.65PAECh. 6 - Prob. 6.66PAECh. 6 - Prob. 6.67PAECh. 6 - Prob. 6.68PAECh. 6 - Prob. 6.69PAECh. 6 - Prob. 6.70PAECh. 6 - Prob. 6.71PAECh. 6 - Rewrite your answer to Problem and Exercise 6-71...Ch. 6 - Display the customer ID, name, and order ID for...Ch. 6 - Prob. 6.74PAECh. 6 - Prob. 6.75PAECh. 6 - Prob. 6.76PAECh. 6 - Prob. 6.77PAECh. 6 - Prob. 6.78PAECh. 6 - Prob. 6.79PAECh. 6 - Write an SQL query to list the order number,...Ch. 6 - Prob. 6.81PAECh. 6 - Prob. 6.82PAECh. 6 - Prob. 6.83PAECh. 6 - Prob. 6.84PAECh. 6 - Prob. 6.85PAE
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- List the changes you would need to make to your answer for Question 11 if the requirements change so that you must store the year and the semester in which a student took a course and received a grade.arrow_forwardSelect all the staff full names with the customer full names of the consignments they have worked on. Include staff that have not worked on any consignmentsarrow_forwardMake tracing table (Not Code) make in Word For the highest mark of a student in 4 assessments.arrow_forward
- Table below shows the number of students enrolled in public university for the study field of Science, Mathematics & Computing by programme level and year. Programme Level Year Number of Students Diploma 2019 17373 Bachelor 2019 51640 Master 2019 6918 Doctorate 2019 6292 Diploma 2018 15987 Bachelor 2018 51128 Master 2018 7200 Doctorate 2018 6331 Diploma 2017 15236 Bachelor 2017 49970 Master 2017 6985 Doctorate 2017 648 i) Based on the above table, using the number of students as the key value, draw a Binary Search Tree to store the data.arrow_forwardWhat about the students averagearrow_forwardCount the number of different professors names.arrow_forward
- Given the following numbers that represent students' grades in a given course, find the following: 90, 85, 75, 45, 95, 66, 74, 83, 66, 57 . Arithmetic Mean Trimmed Mean Mode Variance Median Standard Deviation Range Plot the grades using Line Chart Use Excel/SPSS to find all previous metrics. Write your own notes www.clipartef.comarrow_forwardProduct_id Product_name Category Mfg_date Exp_Dte Product_price 01 Dairy Milk Choclate Junk 2,Aug, 2019 2aug, 2020 80 02 Lipton Tea Bags Not junk 2,jan 2019 2, jan 2020 160 03 Kurkure junk 2, april 2919 2, april, 2021 30 04 Shezan Juice Junk 3,Aug, 2019 3,aug, 2020 30 06 Olpers Milk Not junk 3,april, 2018 3,april, 2020 350 Canteen_table 1: Write query to create canteen_table. Put check on category values as only “junk” and “Not junk”. Change colum name of product_price to unit_price. Display products manufactured between 1, jan 2019 to 1, May 2019. Display count of only junk food items in canteen_table with alias name as “junk Food Count”. Display Count Of both Junk food and not junk food products whose count is greater then 1.arrow_forwardFrom the employee table, calculate the average compensation for each job category where the employee has 16 or more years of education. Display the job and average compensation in the result set. Exclude people who are clerks Make sure to include salary, commission and bonus when looking at employee compensation Order the output by the average salary in ascending orderarrow_forward
- - The HR department needs a report to display employee information as shown from the job_history table. The months worked is the number of months from the start date to the end date. Only list those employees whose months worked is an even number. Order by months worked descendingarrow_forwardNormalize the below given Student Course Plan to First Normal Form, Second NormalForm and Third Normal Form.arrow_forward2 List details of all customers from Canberra that have enrolled in a course order by Customer Number.arrow_forward
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