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Tag: database

Discuss the advantages and disadvantages of each application.

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Read Database vs Spreadsheets – Advantages and Disadvantages using the following link: https://365datascience.com/tutorials/sql-tutorials/database-vs-spreadsheet/ Watch YouTube video: https://www.youtube.com/watch?v=x4Xt0M1mHbc Read more about Databases at: https://www.dataversity.net/understanding-key-value-databases/# Summarize in 1-2 paragraphs of 3-5 sentences each what you learned in the reading and slide presentation. In your summary: Define Spreadsheets and Databases. List the similarities and differences between the applications. […]

Describe the types of data or file systems that were held for digital ransom.

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Research the Web for recent Ransomware malware attacks on database systems. Here are a few links to provide you some more detail on Ransomware. https://www.cisa.gov/stopransomware https://www.csoonline.com/article/3236183/what-is-ransomware-how-it-works-and-how-to-remove-it.html https://www.csoonline.com/article/3212260/recent-ransomware-attacks-define-the-malwares-new-age.html Explain the organization that was attacked with a link to the event. Describe the types of data or file systems that were held for digital ransom. What effect […]

Review the Normalization Process: Parts and Suppliers One-to-Many Example in the Terms and Concepts discussion.

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Part 1) 55% Complete Review Question 17.5 on page 509 in the Connolly text; explain each constraint (40%) and provide an example of each constraint other than the one in the text (15%). The response should be in the order of 500+ words Part 2) 20% Review the Normalization Process: Parts and Suppliers One-to-Many Example […]

Design a database for a hospital that will store physician and patient records.

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Design a database for a hospital that will store physician and patient records. For simplicity, you may assume that a patient can see only one physician and that a physician can have multiple patients. Tables: Physician Patient University Database Design a database for a university. Data may include student and advisor tables. A student can […]

Write out the process associated with your business rules relating to your database.

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Description The purpose of this assignment is to build upon your database project proposal by creating the database schema components. A schema is a logical grouping of database objects, such as tables, indexes, views, and queries that are related to each other. To complete Part 2 of the Database Project Proposal assignment, write a 750-1,000-word […]

Write a word essay about what interested you the most in your exploration of the site. Share some of the most interesting information you learned or a special way you found some information that is of particular interest to you.

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For Discovery 2, let’s explore the Trans-Atlantic Slave Trade Database source. This assignment should be 300-500 words in length. Go to the Trans-Atlantic Slave Trade Database site and explore. You can do and look at the parts that I showed in the video or do something completely different. Just explore and learn. Write a word […]

Evaluate if the company should allocate more resources to improve its average TiQ. Perform a test of hypothesis to determine whether the average ST with service protocol PE is lower than with the PT protocol. Use a significance level of α=0.05.

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Instructions: Access the Call Center Waiting Time file. Each row in the database corresponds to a different call. The column variables are as follows: indicates protocol type, either PT or PE Time in Queue, in seconds Se Service Time, in seconds Perform a test of hypothesis to determine whether the average TiQ is lower than […]

Which predictors are considered significant if we work with α=0.05? Which predictors can be eliminated? What is the final model if we only use FloorArea and Offices as predictors?

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Regression Modeling Construct a multiple regression model. Use Excel’s Analysis Tool Pak to conduct a regression analysis with Assessment Value as the dependent variable and Floor Area, Offices, Entrances, and Age as independent variables. What is the overall fit r^2? What is the adjusted r^2? Which predictors are considered significant if we work with α=0.05? […]

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