Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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1. A manager at JustLee Books requests a list of the titles of all books generating a profit of atleast $10.00. The manager wants the results listed in descending order, based on each book’s profit.
"For each request, create a document showing the SQL statement and the query results"
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- 8. Using today’s date, determine the age (in months) of each book that JustLee sells. Makesure only whole months are displayed; ignore any portions of months. Display the book title,publication date, current date, and age. SQL commandsarrow_forwardTask 3: The InstantRide Finance team wants to collect the price and discount information with the driver names for each travel in the system. You need to return the TRAVEL_ID, DRIVER_FIRST_NAME, DRIVER_LAST_NAME, TRAVEL_PRICE, and TRAVEL_DISCOUNT information from the TRAVELS and DRIVERS tables combined over DRIVER_ID field with the ON keyword. Task: Calculate each user's price and discount information. (SQL Database Test)arrow_forwardConsider the tables provided below and answer the following SQL questions: Table 1: Service SereicelD SereiceName Accounting. Security Maintenance Table 2: ServiceSetUp SereicelD SetupFee 2 3 4 100 300 350 Recurring 25 50 125 Tax 10% 11 9% Questions: Write insert statements to enter first two records into Table 1 as shown in above figure. Display a list that presents the data contained in Table 1 sorted by column 2 in descending order. Display the name of the service that has setup fee greater than $300. d. Display average of tax rates for all services.arrow_forward
- q19- Please choose for each line from step 1,2,3,4,5arrow_forwardPLZ hlp with the following: In SQL If you add the PRIMARY KEY constraint to a column, you must also add a UNIQUE constraint to it. Select one: True Falsearrow_forwardQ1. 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=sharingarrow_forward
- question 8 please use the picture below to answer the following question Write a SQL statement to modify the Position table in order to define a constraint to ensure that the column position receives only values 'Sales Rep' or 'Manager'.arrow_forwardSALESREP SalesRepNo 654 734 345 434 RepName Jones Smith Chen Johnson HireDate 01/02/2005 02/03/2007 01/25/2004 11/23/2004 CUSTOMER CustNo 9870 8590 7840 4870 CustName Winston Gonzales Harris Miles Balance 500 350 800 100 SalesRepNo 345 434 654 345arrow_forward
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