Describe a GUI file manager in a windowing system in terms of the Model-View-Controller model. A file manager might be the Windows Explorer under MS Windows.
What will be an ideal response?
The View could be the object that displays the names of files (and attributes, if attributes are requested by a command from Controller) in the directory being managed. The Controller could be an object that issues commands when buttons or menus are clicked. The Model could add or delete filenames in response to the commands, and notify View when a change has been made.
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To display hidden formatting marks, click the Show/Hide button in the Paragraph group on the _____ tab.
A. VIEW B. HOME C. DESIGN D. INSERT
Create a PL/SQL block to declare a cursor to select last name, first name, salary, and hire date from the EMPLOYEE table. Retrieve each row from the cursor and print the employee’s information if the employee’s salary is greater than $50,000 and the hire date is before 31-DEC-1997 (explicit cursor problem).
What will be an ideal response?
The goal of a ______ is to convey the maximum amount of information within a very small space.
Fill in the blank(s) with the appropriate word(s).
COGNITIVE ASSESSMENT In which of the following databases is the physical location of the server on which it is stored is transparent and often unknown, to the user?
A. OODB B. distributed C. relational D. market