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Discuss the following in the Discussion Board:
1. Think of a purpose for creating a database and describe the database. Explain why you would want to use a database for this purpose.
2. What example could you offer that would demonstrate using a subquery?
3. What example could you offer that would demonstrate using a join?
4. In your view, would you prefer using subqueries, or joins, and why?
5. What are some performance considerations when determining whether to use subqueries or joins?
Radioactive carbon 11 has a decay rate k of 0.0338 per minute-that is, a particular C11 atom has a 3.38% chance of decaying in any one minute. Suppose we start with 100 such atoms.
Managing and analyzing data have always offered the greatest benefits for business organizations of all sizes and across the globe.
Discuss the role of encryption in ensuring confidentiality; use a popular encryption to make your point if needed.
Why haven't the U.S., Russia, China, India, and Iran signed on to the Rome Convention establishing the international Criminal Court?
Could someone explain to me what does it means to believe that all systems and applications must provide for an abstraction from the details of the implementation and other computer professionals advocate of exposing the details?
Compare and contrast the pace of development for four major operating systems.
Review the Strayer University website to find an opportunity to write a FAQ that does not exist but would be useful to an intended audience.
Differentiate block ciphers from stream ciphers and contrast symmetric from asymmetric cryptography. Illustrate with examples.
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate.
Estimate the worst-case delay of a reader when using the NBW protocol. What are the critical parameters? List the time services that are required by a real-time application.
Discuss security and technical drivers for having an access control policy and the key tenets of that policy.
Give the sequence of relational-algebra operations needed to compute the intermediate relation X at each step and the result of the query.
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