David Shin

An example where data is stored in different formats in two different sources is temperature. When attempting to combine data between the United States and other foreign countries, there may be a conflict regarding the different ways temperature is measured. As a result, in order to solve this issue, all the temperature data must be converted to…[Read more]

How To Become A Google Power User

I believe this infographic from the Daily Infographic is a great example of data visualization because the article clearly depicts what it has originally intended; how to become a Google power user. The information is presented in a very simple way and not in a way that is…[Read more]

For the class review, I would like to discuss what the format of the test will look like. Is it similar to the in-class exercises we have done where we are creating ERDs from problem descriptions, developing queries based on certain needs, etc.? Will we also be tested on multiple-choice questions about definitions and certain concepts we learned in class?

There are numerous examples of where a join could be used on a set of tables. Netflix is a company that tracks tons of data and processes it in a way that allows them to deliver relevant content to paying members. As a result, one table might represent the “show” and another table would be labeled as “subscriber.” The join might be used to obtain…[Read more]

The most complicated thing about interpreting an ERD from a problem description is that everything is not always straightforward. The problem descriptions we receive in class are generally very self-explanatory and are not too difficult to construct an ERD out of. However, in the case of our homework assignment or a real-life scenario, everything…[Read more]

An example of where raw data is transformed into information is the Temple Student Feedback Forms. Students provide feedback on various teachers at the end of the semester based on their perception of how much they enjoyed the professor and the class. They input bits of information varying from ratings on the quality of the class to what could be…[Read more]