Information Technology Project Management
9th Edition
ISBN: 9781337101356
Author: Kathy Schwalbe
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 8QQ
Several application development projects done for the same functional group might best be managed as part of a _____.
a. portfolio
b.
c. investment
d. collaborative
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TASK 1: Suppliers
Using domain and tuple relational calculus, find:
1. Find the sids of suppliers who supply some red or green part.
2. Find the sids of suppliers who supply some red part or are at „Koprska cesta 25".
3. Find the sids of suppliers who supply every part.
4. Find the sids of suppliers who supply every red part.
5. Find the sids of suppliers who supply every red or green part.
6. Find the pids of parts supplied by at least two different suppliers.
Relation
Relational schema
Suppliers
SUPPLIERS(sid, sname, address)
Parts
PARTS(pid, pname, color)
Catalog
CATALOG(#sid, #pid, cost)
TASK 2: Airline flight information
Using domain and tuple relational calculus, find:
1. Find the eids of pilots certified for some Boeing aircraft.
2. Find the names of pilots certified for some Boeing aircraft.
3. Find the aids of all aircraft that can be used on non-stop flights from Paris to Vancouver.
4. Find the names of pilots who can operate planes with a range greater than 3,000 miles but are not certified
on any Boeing aircraft.
5. Find the eids of employees who make the highest salary (multiple employees can have highest salary).
Relation
Flights
Aircraft
Certified
Relational schema
FLIGHTS(flno, from, to, distance, departs, arrives)
AIRCRAFT (aid, aname, cruisingrange)
CERTIFIED (#eid, #aid)
Employees
EMPLOYEES(eid, ename, salary)
Data environment IBL
The company Internet Big Library (abbr. IBL) was established in the year 2000. The most
important tables of the IBL information system are as follows.
Books (bid, author, title, publisher, year, notes);
Members (mid, name, surname, street, city, country, birthday, phone, notes);
Borrow (rid, bid, mid, date, notes);
Chapter 1 Solutions
Information Technology Project Management
Ch. 1 - Why is there a new or renewed interest in the...Ch. 1 - Prob. 2DQCh. 1 - What is project management? Briefly describe the...Ch. 1 - What is a program? What is a project portfolio?...Ch. 1 - What is the role of the project manager? What are...Ch. 1 - Briefly describe some key events in the history of...Ch. 1 - Prob. 7DQCh. 1 - Discuss ethical decisions that project managers...Ch. 1 - Prob. 1QQCh. 1 - Prob. 2QQ
Ch. 1 - Prob. 3QQCh. 1 - Prob. 4QQCh. 1 - Prob. 5QQCh. 1 - _____ is the application of knowledge, skills,...Ch. 1 - Prob. 7QQCh. 1 - Several application development projects done for...Ch. 1 - Prob. 9QQCh. 1 - Prob. 10QQCh. 1 - Read at least two of the first five references...Ch. 1 - Prob. 2ECh. 1 - Prob. 3ECh. 1 - Prob. 4ECh. 1 - Prob. 5ECh. 1 - Research articles and tools on project portfolio...Ch. 1 - Prob. 7ECh. 1 - Research information about PMP® and CAPM®...Ch. 1 - Review PMI’s Code of Ethics and Professional...
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