To illustrate this notion, let's use a database that an airline uses as an example. It would be okay for airlines to adopt non-serializable technology if they are able to boost their performance overall.

To begin, a database transaction must be begun. The next time we get together, we're going to look on the bright side.

Attracted by the success of Spotify, a group of students want to build their own music-streaming website called Musicmatic. Being economists, they are unaware of the specificities of databases and have therefore asked you to create an EER model. A large number of songs will be made available through their website, and the following information on each song needs to be stored: title, year, length, and genre. Also, artist information will be added, including date of birth, name, and a URL to a website (e.g., Wikipedia page) with additional information on the artist. You can assume an artist is uniquely identified by her name, and that a song always belongs to exactly one artist. The Musicmatic students also point out that songs having the same title are possible, and only the combination of song and artist can be assumed to be unique. The database will also have to store information on the people using Musicmatic. It was decided to only discriminate between two types of users: regular…

The government now requires physicians to store patient information in databases that are accessible in multiple locations by multiple people if they want to qualify for certain reimbursements. The rationale is that this will enable healthcare providers the ability to better serve their patients, as all will have access to the patients’ medical history. Many patients worry about compromised privacy and security, especially since these databases are accessible via the Internet. Should patients be allowed to opt-out of these data collection systems or should it remain a government mandate? Provide justification for your answer.