What types of objects can be used to create linked tables in Access? What are the consequences of poor file management in regards to linked tables?
What will be an ideal response?
Access can create linked tables from Microsoft Excel spreadsheets, other Access databases, text files, XML files, or other database systems. When an Access database contains a linked table the file location of the two databases is important. The link will be broken if the linked object is moved. If the database containing the linked object is moved, the link will not be broken.
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Identify and write definitions for any additional entity, boundary, and control objects participating in the AnnounceTournament use case that were introduced by realizing the change specified in Exercise 5-10.
What will be an ideal response?
The Gas Pump application (Fig. 12.31) calculates the cost of gas at a local gas station. This gas station charges $1.61 per gallon for Regular grade gas, $1.67 per gallon for Special grade gas and $1.77 per gallon for Super+ grade gas. The user enters the number of gallons to purchase and clicks the desired grade. The application calls a method to compute the total cost from the number of gallons entered and the selected grade. The application provided contains a logic error. In this exercise, you will find and fix the error
a) Copying the template to your working directory. Copy the C:Examples Tutorial12ExercisesDebuggingGasPump directory to your C:SimplyJava directory.
b) Opening the template file. Open the GasPump.java file in your text editor.
c) Compiling the application for debugging. Compile the application with the -g com- mand-line option by typing javac -g GasPump.java.
d) Running the application. Run the Gas Pump application by typing java GasPump.
Enter 14 as the starting amount and click the Special JButton. Notice that the out- put is incorrect (the correct output is displayed in Fig. 12.31).
e) Starting the debugger. Close your application (but leave the Command Prompt
open) and start the debugger by typing jdb.
f) Finding and correcting the error(s). Add a breakpoint at the beginning of method specialJButtonActionPerformed. Use the step, step up and next commands as necessary to walk through the different statements of this method and any methods calle
The item marked 8 in the figure above is the ____ button.
A. 25% Complete B. 25% Left C. 25% Free Slack D. None of the above
Use the ____________________ to quickly create labels based on uniquely identified label templates.
Fill in the blank(s) with the appropriate word(s).