A6-Ting Wei Chien(Willy)
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CS443 -- Assignment 6
Ting Wei Chien
Write the queries necessary to obtain the required information. Make sure all columns you return have descriptive column headings. You must show the result of the query. For example, if the query is:
Show the office id, the city, and the region
Your query should be:
select office, city, region
from offices;
and then you need to show the following on the screen: (snapshot of your result)
1)
Return the Minimum and Maximum sales for all offices.
select min(sales), max(sales) from offices;
2)
Determine how many orders were made in 1989. Return the number of rows that meet this condition.
select count(order_date) from orders
where order_date like '%89';
3)
How many different titles in the sales reps table.
select count(distinct title) from salesreps;
4)
What is the average quota for salesreps in office 21. select avg(quota) from salesreps
where rep_office = 21;
5)
What is the average sale amount for each sale reps in each office. Null should be ignored select office, avg(salesreps.sales) from offices, salesreps
where salesreps.rep_office = offices.office
group by office;
6)
For each salesrep that has made an order, list the minimum, maximum and average order amount for all their orders. Include only those orders made anytime from 1990-
1999. Omit from the list any salesrep that has only made 1 order in this time frame. Sort the results by Empl_Num. select salesreps.empl_num, min(amount), max(amount), avg(amount) from salesreps, orders
where salesreps.empl_num = orders.rep and extract(year from order_date) between 1990 and 1999
group by empl_num having count(order_num) > 1 order by empl_num;
7)
Use a sub-query to list the Customer number; Name and Credit Limit of any customers who
have exceeded their credit limit (amount > credit limit) on any order.
select cust_num,company, credit_limit from customers
where credit_limit < any
( select amount from orders
where cust = cust_num);
8)
Use a subquery and using the “all” keyword to find the customer number, Salesrep id, and
CreditLimit of every customer whose CreditLimit is larger than the CreditLimit of all of the
customers of sales rep number 109. select cust_num,empl_num, credit_limit from salesreps, customers
where cust_rep = empl_num and credit_limit > all
( select credit_limit from customers
where cust_rep = 109);
9)
Do question 8, still using the subquery but do not use the “all” keyword.
select cust_num,empl_num, credit_limit from salesreps, customers
where cust_rep = empl_num
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Related Questions
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Name
Date
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2019-05-03 13:14:12
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473/quizzes/3522244/take
Question 3
15 pts
Prompt:
Develop a query to provide details about customer sales at the end of 2014. You want the output to
include the following attributes in this order: sale ship-to city, customer last name, and sale ship
date. Restrict the query to include sales that were shipped to cities that end in the letter "o" and
were shipped on a date within the last four months of 2014. Sort the query output first by the ship-
to city and next by the customer last name.
SQL Statement (case sensitive, must reflect what was used in SQL Browser to execute the prompt):
SELECT Sale.ShipToCity, Customer.LastName, Sale.ShipDate
FROM Sale JOIN Customer ON
Sale. SalelD
=Customer.
CustID
WHERE
Sale.ShipToCity LIKE
"%o"
AND Sale.ShipDate
BETWEEN
"2014-09-01"
AND "2014-12-31"
ORDER BY Sale.ShipToCity, Customer.LastName;
Query Result Count (enter number only, ex. 12):
Result:
rows
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Q1) Please write. a query statement from emp table to display deptno 10’s empno, ename, sal, and a new_sal which is increase by 15% from the original sal (round the new_sal value to a whole number). Label the column headings to EMPNO, ENAME, SAL, and NEW_SAL. The result should be like below:
[ image below - scr_question1.png ]
Q2) Please write .a query statement from emp table to display deptno 30’s empno, ename, sal, comm, and total_income which is a new column of the amount of sal + comm. Label the column heading to EMPNO, ENAME, SAL, COMM, TOTAL_INCOME. The result should be like below:
[ image below - src_question2.png ]
-------------------------------------------------------------------------
Here is the material needed to answer those questions:
Material:
https://drive.google.com/file/d/14OwWDIybjAIeuHCO7McupV08gJs9nB-8/view?usp=sharing
https://drive.google.com/file/d/1npRH8JoJ6GYBzPU3iNjLXluvCyhr2tMu/view?usp=sharing
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