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Defineanomaly? What's the big deal about finding three outliers in a database? When will you take notice of the issues and provide a solution?

Database Systems: Design, Implementation, & Management

11th Edition

ISBN:9781285196145

Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Chapter10: Transaction Management And Concurrency Control

Section: Chapter Questions

Problem 1P

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Defineanomaly? There were three anomalies in a database; were they discovered? Who will assess the issues and provide a solution for the resulting anomalies?
Defineanomaly? What's the big deal about finding three outliers in a database? When will you take notice of the issues and provide a solution?
1. what is classification? Give an example of Classification with source code and explain how it works? 2. what is the meaning of CAP Theorem? When we design a database, if we want to satisfy the requirement of Availability and no single point failure, what we will not satisfy? Explain the reason.
Following on your BIG break to make a database for an… organization that organizes table tennis tournaments (also known as “Tourney”s) at their premises on behalf of clubs, you’ve written down the business rules as follows: One Match belongs to One Tourney, and not none. One Tourney has Many Matches, at least one and a maximum of 128. One Match takes place on One Table, and not none. One Table is used in Many Matches, and possibly none. One Match belongs to one Category, and not none. One Category appears in Many Matches, and possibly none and a max of 32. One Match involves Many Players, minimum 2 and maximum 4. One Player plays Many Matches, and possibly none. You have also been given a small sample of their records (which is not in the least in relational format), which may prove useful. It is below. Match Number Tourney Tourney Start Date Day Time Slot In Day Player Names(Team 1) Player Names(Team 2) Player IDs (Team 1) Player IDs(Team 2)…
Can you explain what an outlier is? Were there three outliers in a database that caused concern? Provide an analysis of the issues caused by the anomalies you've discovered and a proposed remedy.
2. Why are database joins expensive (take a lot of time and computer resources) ?
The consequences of a breach in the referential integrity of a database might be severe. If you were to name some of your most common mistakes, what would they be?
What happens if the referential integrity of your database isn't maintained? What kind of mistakes are more likely to happen?
What consequences would follow in the event that the referential integrity of a database was violated? Which one of these mistakes do you think you are guilty of doing the most often?
What consequences would follow in the case that the referential integrity of a database was violated? Which of these mistakes do you think you are guilty of committing the most frequently?
What would happen if there was a breach in the referential integrity of a database? Just what are the most typical errors that you make?
To get started, a database transaction must be initiated. We're going to focus on the bright side of things when we talk again.

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Database Systems: Design, Implementation, & Manag…

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ISBN:

9781285196145

Author:

Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Publisher:

Cengage Learning