7. Use the UNION operator to generate a result set consisting of three columns from the Products table: Discount_status A calculated column that contains a value of DISCOUNTED or FULL PRICE Product_name The product_name column discount_percent The discount_percent column if the product has a discount_percent greater than 0, the Discount_status column should contain a value of DISCOUNTED. Otherwise, it should contain a value of FULL PRICE. Sort the final result set by product_name.

7. Use the UNION operator to generate a result set consisting of three columns from the Products table: Discount_status A calculated column that contains a value of DISCOUNTED or FULL PRICE Product_name The product_name column discount_percent The discount_percent column if the product has a discount_percent greater than 0, the Discount_status column should contain a value of DISCOUNTED. Otherwise, it should contain a value of FULL PRICE. Sort the final result set by product_name.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Assume the PRODUCT table contains multiple rows. The following code would include: SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE P_CODE IN(SELECT P_CODE FROM LINE GROUP BY P_CODE HAVING COUNT(*) > 1); Group of answer choices A) Select the products that have been ordered before. B) Select the products that have been ordered at least once. C) Select the products that have been ordered at least twice. D) An error message.
Task 12: When deleting a customer, subtract the balance multiplied by the sales rep’s commission rate from the commission for the corresponding sales rep.
Q1. Write a SELECT statement that returns these columns from the Invoices table: The invoice _total column A column that uses the ROUND function to return the invoice_total column with 1 decimal digit A column that uses the ROUND function to return the invoice_total column with no decimal digits Q1. Write a SELECT statement that returns these columns from the Invoices table: • The invoice_total column • A column that uses the ROUND function to return the invoice_total column with 1 decimal digit • A column that uses the ROUND function to return the invoice_total column with no decimal digits invoice_total one digit 3813.33 3813.3 zero_digits 3813
1) Write the SQL code to add a column that shows the full name of the Employee in the Employee Table. The expecting format should be “Firstname Initial Lastname” (e.g., “John G News” for the EMP_NUM 101) 2) Write the SQL code to add a binary variable “Hire_prior_2000” in the Employee table. If the hire year (year of hire needs to be identified) is prior to 2000, then Hire_prior_2000=1, other wise Hire_prior_2000=0.
Task 22: KimTay Pet Supplies is considering discounting the price of all items by 10 percent. List the item ID, description, price, and discounted price for all items. Use DISCOUNTED_PRICE as the name for the computed column.
Question 6 To get all the variables named x1 through x15 (out of 30 variables that start with x) from data, you could use O filter(data starts with("x")) select(flights."x") Oselect(data.num_range("x"1:15) Opick(flights.starts with("x")) Question 7 To reverse sort the nycflights13::flights data set by month and then by day, you would use O sort values(flights.day.month.descending-TRUE) O filter(flights.desc(month).desc(day)) O filter(flights.desc(day).desc(month)) Osort values(flights,month.day.ascending FALSE) Question 8 To get all the variables from the flights like "arr_delay" and "dep_delay", you could use O filter(flights,ends_with("_delay")) O select(flights.""_delay") O select(flights,ends_with("_delay")) Opick(flights,ends_with("_delay"))
Shop (ShopCode, ShopName, ShopSales) Which of the following queries displays name of the shop that has the highest average shop sales. Select one: a.SELECT shopName FROM shop GROUP BY shopName HAVING max(avg(shopSales)) b.SELECT shopName FROM shop WHERE avg(shopSales) GROUP BY shopName; c.SELECT shopName FROM shop WHERE avg(shopSales) = (SELECT max(avg(shopSales)) FROM shop GROUP BY shopName); d.SELECT shopName FROM shop GROUP BY shopName HAVING avg(shopSales) = (SELECT max(avg(shopSales)) FROM shop GROUP BY shopName);
he Horse table has the following columns: ID - integer, primary key RegisteredName - variable-length string Breed - variable-length string Height - decimal number BirthDate - date Write a SELECT statement to select the registered name, height, and birth date for only horses that have a height between 15.0 and 16.0 (inclusive) or have a birth date on or after January 1, 2020.
Write a SELECT statement that returns the following columns from the PRODUCT_INFORMATION table. Sort the results by PRODUCT_ID in ascending order. 1. PRODUCT_ID 2. PRODUCT_NAME 3. LIST_PRICE ○ Use the TO_CHAR function to convert LIST_PRICE to a character string with the currency formatting Give this field an alias of PRICE
In what order are output results displayed if a SELECT statement contains a GROUP BY clause and no ORDER BY clause?
Q1. Please write a query statement from emp table to display employee's empno, ename, length of ename, number of 'S',and number of 'L'. SQL> SELECT empno AS "EmpNo", ename AS "Emp Name", ... AS "Name Length", .... AS "# Of S", .... AS "# Of L"FROM emp; [IMAGE below] Material to answer the question above: Material: https://drive.google.com/file/d/14OwWDIybjAIeuHCO7McupV08gJs9nB-8/view?usp=sharing https://drive.google.com/file/d/1npRH8JoJ6GYBzPU3iNjLXluvCyhr2tMu/view?usp=sharing
Based on the ERD below, display the first name, last name and employee initial of anyone whose first name starts with “A”. (Hint: You will use a “Like” phrase.)