Relational databases

 

For decades, relational databases remained essentially unchanged; data was segmented into specific chunks for columns, slots, and repositories, also called structured data. However, in this Internet of Things (IoT) era, databases need to be reengineered because the very nature of data has changed. Today’s databases need to be developed with the needs of IoT in mind and have the ability to perform real-time processing to manage workloads that are dynamic. For example, relational databases should be able to work with real-time data streaming and big data (an example was presented in the unit lesson).
Scenario: eHermes wants their personnel to be able to view security video footage in real-time and provide them with the ability to query video footage for viewing. Choosing a database solution such as MongoDB would allow eHermes to store mobile self-driving video footage in the same database as the metadata.
To do this, eHermes needs a way to manage the demands of real-time data streaming for real-time analytics. Conduct some research for a NoSQL database application such as MongoDB or Cassandra that could meet this need. How would switching to a real-time database solution help eHermes remain competitive? Create a PowerPoint presentation that does the following:
Provides a brief introduction to IoT.
Presents an argument to the eHermes CEO that switching to a more dynamic database structure (NoSQL real-time database) will meet the demands of IoT.
Introduces some features of the database you chose, whether it is MongoDB, Cassandra, or another database.
Describes how switching to a more dynamic database will give eHermes a competitive advantage?

 

Sample Solution

A relational database is a collection of data items that have a predefined relationship between the data items. These items are organized as a set of tables with columns and rows. Tables are used to hold information about the objects represented in the database. Each column in the table contains a particular type of data, and the field stores the actual value of the attribute. The rows of the table represent a collection of related values for an object or entity. Each row in a table can be marked with a unique identifier called a primary key, and rows between multiple tables can be joined using a foreign key. This data can be accessed in different ways without having to reorganize the database tables themselves.

Utilitarian position argues that an action is only right if it is successful in increasing the total happiness of an allotted number of affected individuals. Nevertheless, when the notion to increase the “greater good” includes the potential of killing an innocent human being in order to achieve this, it denotes the moral and ethical integrity of the entire school of thought. This essay will highlight the main ideas of Utilitarianism, the inherent selfishness that individuals have regarding their own acts of utilitarianism, and its inequality. It will be evident that although a Utilitarian position seems justifiable in certain scenarios, there will always be cracks in its moral values in others.

Utilitarianism is based on the idea that the greatest amount of happiness that can be gained for the greatest number of individuals establishes solid grounds for morality. As Jeremy Bentham stated regarding utilitarianism, “The greatest happiness of the greatest number is the foundation of morals and legislation” (Bentham, Jeremy). Nevertheless, it may not be the case because it is unable to explain what happens when the so-called “greater good” does not accurately represent moral righteousness. The utilitarian school of thought is based primarily off of the consequences of the actions, rather than the actions themselves. To a utilitarian, the right action can only be understood by the consequences that that action creates, thus causing a dominant problem in the relationship between what is “good” and what is morally “right” in any given scenario that the utilitarian is given. The problem with this is that even though the anticipated consequence of an action may increase the happiness of some, the action itself, could be of immoral value and could potentially create an ethical dilemma. One of the greatest assets of utilitarianism, however is its emphasize that common sense cannot always be trusted, neither can gut reactions. This causes individuals to look over every consequence t

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