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Alice has a large DVD movie collection. Her friends like to borrow her DVD's, and she needs a way to keep track of who has what. She maintains a list of friends, identified by unique FID's (friend identifiers) and a list of DVD's, identified by DVDID's (DVD identifiers). With each friend is the name and the all-important telephone numbers which she can call to get the DVD back. With each DVD is the star actor name and title. Whenever a friend borrows a DVD, Alice will enter that fact into her database along with the date borrowed. Whenever the DVD gets returned, that fact, too, gets noted along with the date returned. Alice wants to keep a complete history of her friends' borrowing habits so that she can ask favors of the heavy borrowers (or perhaps refuse to make further loans to those who habitually don't return them quickly). Draw an ER diagram from this scenario.
In windows, following is a kind of defense needed for the attacks caused primarily by the usage of particular programming languages, Difference between WinLogon and NetLogon
Write down fields that you want to use as control break fields to make a report which lists all inventory items in grocery store? Create a sample report.
write the definition of the function min and a program to test this function. Add the function max to the class arrayListType to return the largest element of the list. Also, write the definition of the function max and a program to test this func..
First, create three exception classes named NumberHighException, NumberLowException, and NumberNegativeException. Both NumberHighException and NumberLowException should be directly subclassed from the Exception class
what instructions do they represent - Suppose both signed and unsigned cases. Write them in hexadecimal representation.
Discuss the thought process of DBAs as they design the redo log groups and members for a database. Analyze and comment on the different factors that will affect their decision.
Tip: If you do not have access to ER modeling software or a diagramming tool like Visio or OmniGraffle, you can simply create diagrams in a presentation tool like PowerPoint. This is an essential skill which is used in the field.
describe method to keep the data local caches in sync across multiple processors (i.e. cache coherence). discuss implementations issues
You are asked to create a program that uses LINQ to XML to display the contents of the above XML document. You may use the Elements methods, and other common traversal methods. However, as a catch, you should know the ontology of your document and..
Write a SQL expression to display each Status and the number of occurrences of each status using the Count(*) function; display the result of the Count(*) function as CountStatus. Group by Status and display the results in descending order of CountSt..
1. what are the advantages of flash memory over hard disk storage? what are the advantages of hard disk over flash
Determine whether or not computers can process numbers faster and more efficiently than alphanumeric character data.
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