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1.Write two to three paragraphs answering each of the following questions: a What are the three types of database critical events that can trigger the database recovery process? Give some examples for each one. b List and discuss the four transaction properties 2. Research and provide three to five paragraphs covering the following: There are many risks in conducting business on the Internet. Discuss the levels at which security is carried out in web-based database applications. Discuss why security needs to be in place and what kinds of security are needed to secure a database tied to the web. What are the costs of both implementing the security (in terms of designing and implementing security structures and monitoring their use) and the costs of not implementing the security (stolen data, angry customers, system damage, repair time, etc.).
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Analyse the Credit Approval data set - A data set description in terms of the attributes present in the data, the number of instances,missing values, and other relevant characteristics.
Compare activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Write down the advantages and inconveniences of new relational scheme.
A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management..
improved processesdatabases are installed to help solve problems improve processes or provide a benefit to the
discuss what the role of the database administrator is and why it is such an important role in the company. do we
Views are integral part of virtual private databases, yet views are utilized for many other reasons. Find out many other uses for views.
you are the new chief information officer for acme widgets. the president of the company recently asked you what you
Create a table (by your own imagination) which comprises the least 25 patients with next information (columns): Calculate average of Value1 for each Gender.
You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) weeks after the Assignment 1 due date.
One side effect of normalization is that you often need more than one table to get meaningful results. For example, you may have a table that includes a list of parts and the ID number for the vendor of each part. T
you are the trainer for a major technology firm. one of the problems your firm has is hiring new technologists who have
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
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