Identify all the important concepts represented in the library database case study described here. In particular, identify the abstraction of classification (entity types and relationship types), aggregation, identification, and specialization/generalization. Specify (min, max) cardinality constraints whenever possible. List details that will affect the eventual design but which have no bearing on the conceptual design. List the semantic separately. Draw an EER diagram of the library database.

What will be an ideal response?


Computer Science & Information Technology

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Which of the following statements converts a String object variable named str to an int and stores the value in the variable x?

a. int x = Integer.integer(str); b. int x - str; c. int x = Integer.parseInteger(str); d. int x = Integer.parseInt(str);

Computer Science & Information Technology

To select multiple symbols, press and hold ____ and then click the symbols.

A. [Esc] B. [Shift] C. [Alt] D. [F8]

Computer Science & Information Technology

Solve the equations for the variable indicated, in terms of the remaining variable(s).

p+3p— 1 = 2

Computer Science & Information Technology

When the Move or Copy dialog box appears, click the To book arrow and click the workbook where you want to move or copy the selected worksheet. After you select the destination workbook, the names of all of its worksheets appear in the ____ sheet box.

A. To book B. From book C. Before D. After

Computer Science & Information Technology