Computer Science

Computer Science 


18.5 Write SQL queries for the books database (discussed in Section 18.3) that perform each of

the following tasks:

a) Select all authors from the Authors table with the columns in the order lastName,

firstName and authorID.

b) Select a specific author and list all books for that author. Include the title, year and

ISBN number. Order the information alphabetically by title.

c) Add a new author to the Authors table.

d) Add a new title for an author (remember that the book must have an entry in the

AuthorISBN table).

18.7 Correct each of the following SQL statements that refer to the books database.

a) SELECT firstName FROM author WHERE authorID = 3

b) SELECT isbn, title FROM Titles ORDER WITH title DESC

c) INSERT INTO Authors ( authorID, firstName, lastName )

VALUES ( “2”, “Jane”, “Doe” )

23.3 (WebTime Modification) Modify the WebTime example in Section 23.4 to contain drop-down

lists that allow the user to modify such Label properties as BackColor, ForeColor and Font-Size.

Configure these drop-down lists so that a postback occurs whenever the user makes a selection.

When the page reloads, it should reflect the specified changes to the properties of the Label displaying

the time.

instruction case 5 Using the case study at the end of Chapter 6 (Campus Bikes) in your textbook, complete the Module Five Homework Activity. Using a Word document,

students will answer four prompts based on the case. Answer the following prompts via a Word document: 1. List possible objects in the new bike

shop system, including their attributes and methods. 2. Identify at least three possible use cases and two actors. 3. Create a use case diagram

that shows how service requests are handled. 4. Create a state transition diagram that describes typical customer states and how they change

based on specific actions and events. Guidelines for Submission: Homework Activity Module Five should follow these formatting guidelines: 1–2

pages, double-spacing, includes identification of 3 objects, 2–3 methods and attributes, 3 use cases and 2 actors for each of the objects in the

new bike shop’s system, 12-point Times New Roman font, one-inch margins, and APA citations.

Page 1

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