Part 1: Concurrency Issues in the Database 1. Considering that these various transactions use some of the same tables and fields in the database, explain why it is important for the changes made by each of these transactions to be atomic. (2 pts) Answer: The necessity of an atomic transaction, in this case, is to maintain state consistency in the database system. Since various transactions require the use of the same fields/data

Public, Personal Clouds Amazon Web Services is an anthology of remote computing services, which make up a cloud-computing platform provided by Amazon. Nevertheless, Amazon is a renowned company in the Web business, but other companies such as Apple have a big market share. Some of the services offered by Amazon include Amazon EC2, and Amazon S3, the latter is a storage service where people can store their things, such as documents

To implement this algorithm, it is essential to simulate locking of what the books mentions as an item X that has been transcribed by transaction T until T is either committed or aborted. This algorithm is not what would turn into deadlock, for the reason that T. waits for T only if TS (T) > TS (T ) (Elmasri, 2011). According to the book, strict timestamp ordering differs from basic timestamp ordering because basic

Pre-accident plan is a plan which contains the necessary information for all personnel that would be required in the event of a mishap, investigation of the mishap including the details needed in the process of recovering an aircraft that is involved in an accident. It includes all the duties, the responsibilities and the training programs necessary to successful manage an accident involving an airplane. The pre-accident pan is structures so

They need to know what their responsibilities are not only as individuals but also as team members and corporate employees. David cites an excerpt from a corporate security document that illustrates his point: "A security policy serves many functions. It is a central document that describes in detail acceptable network activity and penalties for misuse. A security policy also provides a forum for identifying and clarifying security goals and

Risk Assessment for GFI Group, Inc. (GFI) RISK ASSESSMENT Company Network, Interconnection, and Communication Environment When it comes to the company network, GFI Group, Inc. (GFI) operates as a dealer brokerage company, which was discovered in the U.S. It is in network with over the counter (OTC) related securities and derivative products. The company mostly offers market data brokerage services, and analytics software merchandises to commercial and investment banks, insurance corporations, large businesses