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Assignment
Each question should be answered in 2 paragraphs.
1. The relational set operators UNION, INTERSECT, and MINUS work properly only if the relations are union-compatible. Discuss union-compatible with at least 3 examples for each and how would you check for this condition.
2. Use examples to demonstrate the connection between SQL commands and transactions, discuss the role of transaction log.
3. What is the difference between ODBC and JDBC database interfaces? Why is it important to have effective and powerful interfaces like these for databases?
4. Discuss the differences between database and data warehouse. Why we need data warehouse when database is available?
Create a Road class. The class should have functions for setting the width of the road in feet and the length of the road in miles. It should also have functions for obtaining the width of the road the length of the road.
Implement the program using for-loop - Complete the method, which compares two parameters and returns
You are to design and implement a Menu class, and associated iterator classes, that maintains a collection of MenuItem objects. A MenuItem object contains the following information about each menu item of a particular restaura..
1. write a calculator Servlet that adds, subtract, multiples and divides. Create the html form and call the servlet to print out the answer
Most programming languages have a built-in integer data type. Normally this representation has a fixed size, thus placing a limit on how large a value can be stored in an integer variable
Write a program that uses one of the Map classes to implement a contact list. Write a program to store a list of print jobs in a FIFO queue.
Write a buggy code and that was an example but I need it to run properly and for the code to be unique so that I can make the appropriate changes
how to get the value of "totalGuesses" and "bestGame" in the report value. I think there should be a return method but I did not know how to do that.
Create a BMI calculator app that allows users to enter their weight and height and whether they are entering these values in English or metric units
Create a Servlet that displays a form when the doGet method is invoked. The form will contain a post action that directs the form post back to the same servlet, which in doPost method will append the form data to a random access file.
Create a Java class called WaterTank.java. This program will simulate thedraining of a cylindrical water catchment tank. Your program will need to show how the rate at which water would exit the tank, assuming an output nozzle two inches (2") in d..
Why do some scientists say that Morgellons disease is delusional? When there have been fibers extracted from patients that cannot be identified? Isn't that physical proof that something is affecting these people physically?
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