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The information that is included in these databases is obtained from what sources? Is it feasible to get a list of everything that's been stored in each database in its entirety?What should you do if you find a mistake in the data you're inputting and want to amend it?What aspects of these databases give you the creeps, particularly with regard to the protection of the personal information of individuals?

It was devised to deal with two major concerns, one being the distribution of the keys. Give an example of how key distribution is accomplished briefly?

Let's say there is only room for one student in a course, and two people are seeking to sign up. What property of a database system makes it impossible for both students to be placed in the last open seat?

Which is NOT a common process problem that was mentioned in Chapter 3?       Cycle time - the time it takes to perform one process.   Automated steps - Technology and systems are being implemented without manual steps.   Role ambiguity - the lack of clarity of one's expectations, norms and behavior.   Authority ambiguity - having two or more bosses for approval.

Assumptions: You can make the following assumptions in this project. The database stores information about houses, each with a house ID, address, and zip code. The database stores information about person, including person ID, house ID where the person lives, person name, phone number, and status where 1 means currently tested positive (i.e., the most recent test result is positive), 0 means currently tested negative (i.e., the most recent test result is negative), and null (no test so far so status is unknown). The database stores information about a person's all past tests, including person ID, test date, and result (1 means positive and 0 negative). The database stores information about events (could be gathering, party, etc.). Each event has an event ID, event name, date, and address. The database stores information about a person participated in an event. The database stores information about flights, including flight ID, flight date, flight number (a varchar type e.g.,…

What are the most typical database failures if referential integrity isn't enforced?

Is there anything that can be done to make sure that the information in databases is accurate?

please answer the two questions under the second image. Also please include how you knew it was the foreign and primary key

Is there a way that the data that is being used can have its integrity guaranteed?