A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 1, Problem 14CAT
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Suggestions for placing the trip cost field:
- In the Colonial Adventure Tours
database , the trip cost field (trip price) is now available in the “RESERVATION” table. - Here, the trip cost is determined by the number of people taking the trip and the type of trip...
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Chapter 1 Solutions
A Guide to SQL
Ch. 1 - Prob. 1TDCh. 1 - Prob. 2TDCh. 1 - Prob. 3TDCh. 1 - Prob. 4TDCh. 1 - Prob. 5TDCh. 1 - Prob. 6TDCh. 1 - Prob. 7TDCh. 1 - Prob. 8TDCh. 1 - Prob. 9TDCh. 1 - Prob. 10TD
Ch. 1 - Prob. 11TDCh. 1 - Prob. 1CATCh. 1 - Prob. 2CATCh. 1 - Prob. 3CATCh. 1 - Prob. 4CATCh. 1 - Prob. 5CATCh. 1 - Prob. 6CATCh. 1 - Prob. 7CATCh. 1 - Prob. 8CATCh. 1 - Prob. 9CATCh. 1 - Prob. 10CATCh. 1 - Prob. 11CATCh. 1 - Prob. 12CATCh. 1 - Prob. 13CATCh. 1 - Prob. 14CATCh. 1 - Prob. 1SCGCh. 1 - Prob. 2SCGCh. 1 - Prob. 3SCGCh. 1 - Prob. 4SCGCh. 1 - Prob. 5SCGCh. 1 - Prob. 6SCGCh. 1 - Prob. 7SCGCh. 1 - Prob. 8SCGCh. 1 - Prob. 9SCGCh. 1 - Prob. 10SCGCh. 1 - Prob. 11SCGCh. 1 - Prob. 12SCGCh. 1 - Prob. 13SCG
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- Q4 There are 9 workers for ASH Development Sdn. Bhd. Unfortunately, there are only 4 rooms available for these workers. Every week, a worker name is randomly selected to do odd jobs for the company. When a worker has been selected randomly, a these rooms are full. Based on Figure Q4, worker's ID number 0 (Umar) is randomly selected for the first week, and the 4 boxes represent 4 rooms for as shown in Table Q4. room needs to be vacated if workers. Table Q4 Worker's ID Worker's Name Umar 1. Lukman Arif Yusuf Anas Muadz Aleef Hafiz 8. Amir 9. Taufik WI 4 6 2 9. 4 1 3 8 D R2 R3 R4 W W W1 w1 Wi w1 W1 w1 w1 wi Wi W1 2 3 4 56 78 9 1 2 3 4 5 6 8 9 Figure Q4 Investigate the number of page faults occur by illustrating the way how the room is managed using the list of weekly random selection of workers as shown in Figure Q4 using the following algorithms: (a) Optimal Page Replacement (OPR) replacement algorithm 2. RRRarrow_forwardUse the XYZ Apartment Rental Company ERD shown on Figure 1 to answer questions 9 through 12: According to the XYZ Apartment Rental Company ER diagram, which of the following is true? Each building must have more than one builder Each building must have multiple apartments Each building must have at least 8 apartments Each building must have more than 2 apartments Answer: ____arrow_forwardYour university runs many hundreds of courses each semester and needs to keep track of key information on each one. Among the data needed for each course would be the following: - University course identification number - Department course ID and section number (for multiple sections of the same course) - Number of credits for the course Days and times the course meets - Room in which the course meets (building ID and room number) Maximum course enrollment Campus on which the course is held - Name of the course instructor - Number of students currently enrolled and the student ID of each such student - Course status: open (for additional enrollment), closed, or canceled You must be able to change the value of each of these ten data items and, upon request, display all of this information. Initially, the values of the first seven items are known–the last three aren't. Design and implement an abstract data type that can be used to model this university course entity.arrow_forward
- Please solve below questions.arrow_forwardFor 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 attributearrow_forwardAnalyze the given tables showing the information of different candidates and departments. You are required to write the queries for given statements. Candidates City CandID FirstName LastName Degree Experience 1 Ali Umar Lahore BSCS 0 2 Aslam Iqbal Karachi MBA 5 3 Adnan Ahmed Multan BBA 2 4 Balaj Khan Okara BSIT 1 5 Burhan Idrees Lahore MSc GIS 1 6 Hamza Malik Sialkot MSCS 6 7 Farhan Saeed Peshawar MCS 0 8 Ubaid Khalil Karachi M.Com 8 9 Wahaj Sheikh Lahore B.Com 0 10 Zahid Ahmed Quetta BSIT 2 Departments Job Title Vacancies Location DeptID DeptName IT 1 Full Stack developer 5 Lahore 2 Management Project manager 1 Karachi 3 Accounts Accountant 6 Multan 4 QA QA Engineer 2 Lahore 5 GIS GIS Analyst 5 Lahore 1. Write a query to select the departments with 5 vacancies from the Department table. 2. Write a query to select the candidates with a degree of BSIT from the Candidates table. 3. Write the query to show all the candidates with no experience from table Candidates. 4. Write the query to…arrow_forward
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