Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Textbook Question
Chapter 11, Problem 3P
Using Table 11.4 as an example, create two alternative access plans. Use the following assumptions:
- a. There are 8,000 employees.
- b. There are 4,150 female employees.
- c. There are 370 employees in area code 615.
- d. There are 190 female employees in area code 615.
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Using Table 11.4 as an example, create two alternative access plans. Use the following assumptions:
a. There are 8,000 employees.
b. There are 4,150 female employees.
c. There are 370 employees in area code 615.
d. There are 190 female employees in area code 615.
4) You are asked to calculate the weekly take home pay for a group of employees at your company (for
each Employee ID). The employees in this group have a wage rate of 35 ÚSD per hour and 65 USD per
hour when they work overtime. The following table list the hours work by the employees.
Employee ID Regular hours Overtime hours
87
40
3
43
40
8.
99
32
40
15
Question 7
You are given a list of courses that are currently available in BRACU that looks like the
following:
courses = ['CSE110','CSE111','MAT620','CSE520','EEE361','CSE650','MAT510].
All courses till 400 level (499) are for the undergraduate students whereas any courses above
500 are for the graduate or masters students.
Write a python program that creates a dictionary from the above list where the keys will be each
department name (CSE,EEE,MAT for the above example) and their values will be a dictionary of
two keys -
Undergraduate Courses and Graduate Courses.
Chapter 11 Solutions
Database Systems: Design, Implementation, & Management
Ch. 11 - Prob. 1RQCh. 11 - What index should you create? Write the required...Ch. 11 - What is the focus of most performance-tuning...Ch. 11 - What are database statistics, and why are they...Ch. 11 - How are database statistics obtained?Ch. 11 - What database statistics measurements are typical...Ch. 11 - How is the processing of SQL DDL statements (such...Ch. 11 - In simple terms, the DBMS processes a query in...Ch. 11 - If indexes are so important, why not index every...Ch. 11 - What is the difference between a rule-based...
Ch. 11 - Prob. 11RQCh. 11 - What are some general guidelines for creating and...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Prob. 15RQCh. 11 - SELECT SELECT EMP_LNAME, EMP_FNAME, EMP_AREACODE,...Ch. 11 - Problem 1 and 2 are based on the following query:...Ch. 11 - Using Table 11.4 as an example, create two...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Prob. 6PCh. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Problems 1721 are based on the following query:...Ch. 11 - SELECT SELECT P_CODE, P_DESCRIPT, P_PRICE,...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Prob. 27PCh. 11 - Problems 27 and 28 are based on the following...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...
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- Question 1: You are given a list of courses that are currently available in BRACU that looks like the following: ['CSE110','CSE111', 'MAT620', 'CSE520','EEE361','CSE650','MAT510']. courses = All courses till 400 level (499) are for the undergraduate students whereas any courses above 500 are for the graduate or masters students. Write a python program that creates a dictionary from the above list where the keys will be each department name (CSE,EEE,MAT for the above example) and their values will be a dictionary of two keys - Undergraduate Courses and Graduate Courses. Each key will have courses that fall in Undergraduate and Graduate level respectively. Sample Input - No need to take input ['CSE110','CSE111','MAT620', 'CSE520','EEE361','CSE650','MAT510'] Sample Output: (You just have to print the resultant dictionary. No need to follow the pattern below) 'CSE':{ 'Undergraduate':['CSE110','CSE111'], 'Graduate':['CSE520','CSE650'] 'EEE':{ 'Undergraduate':('EEE361'], 'Graduate':[]…arrow_forwardNote: Terry’s phone is not available in the evidence. However, several files that originated from the phone exist somewhere in the evidence. Can you find them? Are they related to the case? 2009-M57-Patents The 2009-M57-Patents scenario tracks the first four weeks of the 13corporate history of the M57 Patents company. The company started operation on Friday, November 13th, 2009, and ceased operation on Saturday, December 12, 2009. As might be imagined in the business of outsourced patent searching, lots of other activities were going on at M57-Patents.arrow_forward**No chatGPT are allowed to answering this question Give me user requirements and System requirements specification based on the scenario given below. After the supplementary examinations, the system will process the list of students. If the supplementary examination mark is at least 50%, then the student has passed the subject. If it is below 50% then the student has failed the subject. Finally, the student’s CGPA is calculated and if the student’s CGPA is at least 2.00 then the student’s status changes to “Pass” else it will change to “Fail”.arrow_forward
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