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Describe and provide an example of an entity-relationship (E-R) diagram. In our day to day database use, we need to identify data in database tables with the help of identifiers that may be present in other tables. To make these …
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Describe and explain how to identify functional dependencies, identify determinants and dependent attributes in a database. Functional dependencies are used to identify the dependency of different attributes on each other. When explaining dependencies, we have some attributes that may determine …
What are some of the most exciting developments in these applications that may come to fruition in the near future? The future databases are anticipated to be more advanced than what we have at present. For example these databases would …
What are the most difficult problems or challenges faced by these applications right now? There are many challenges faced by database applications. These challenges are important to overcome to provide database users a desired experience. One of the challenge that …
What are the most critical changes and/or trends taking place in the design and implementations of database applications today? The most critical changes that are taking place in the design and implementation of databases are related to the security of …
What impact do database applications have on business and society? The simplest definition of a database is that it is a collection of information. I did nay say that it is the collection of information in a systematic manner because …
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Stock Transaction Program Last month Joe purchased some stock in Acme Software, Inc. Here are the details of the purchase: The number of shares that Joe purchased was 1,000. When Joe purchased the stock, he paid $32.87 per share. Joe …
Write a program that asks the user for the number of males and the number of females registered in a class. The program should display the percentage of males and females in the class. Hint: Suppose there are 8 males …
Ingredient Adjuster A cookie recipe calls for the following ingredients: 1.5 cups of sugar 1 cup of butter 2.75 cups of flour The recipe produces 48 cookies with this amount of the ingredients. Write a program that asks the user …
Celsius to Fahrenheit Temperature Converter Write a program that converts Celsius temperatures to Fahrenheit temperatures. The formula is as follows: F = (9/5) C + 32 The program should ask the user to enter a temperature in Celsius, and then …