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The discussion question
Based on your research and readings for the week, respond to the following discussion topics.
• Often, systems have only one level of security when it comes to databases. Imagine that someone is trying to add a name (which should be composed only of letters) to a database. The user mistakenly hits a number, and the system rejects the entry. Such security can be implemented at the database management system (DBMS) or the application level. Where would you apply security? Justify your choice.
• What are some alternative practices or standards of utilizing UML for the visual representation of systems? When would you use UML over other standards? When are other standards preferable?
What should a company consider installing on the network perimeter to prevent direct connections between the internal network and the Internet to help protect its data warehouses and employee privacy?
What kinds of databases track relationships? Give a brief description and the advantages of at least three. How does a query language like SQL work? Give brief descriptions of commands, parameters, and record searches.
When this would be a potential issue in your memorandum, eliminate details or modify information so as not to violate these rules
Draw an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
Optimize your Database (10 Marks) You should now optimize your database, Apply suitable database optimization techniques to your final set of tables
This assignment uses a database with data about a university; the database resides in our Oracle servers. The schema of the database is provided below. Keys are in bold face and underlined, field types are omitted; assume that appropriate foreign ..
the development of complex algorithms that can mine mounds of data that have been collected from people and digital
CSE 412: Database Management Fall 2016 Assignment. Considering the previous setting (relations A and B) with number of pages nA, nB and number of records per page pA and pB, respectively. What is the total number of disk reads for the block nested ..
Describe how you would implement relationship between employees and projects in each of the given scenarios: Many employees can work on given project, but each employee can work on only single project.
a simple database with a single table contains data concerning rental properties in australia. the table contains five
In each task, please feel free to make any assumption necessary for the readers. The explanation of your assumptions can help the readers to understand what you have considered differently but as important criteria in producing your model.
Build an entity relationship model for the above scenario. Show all attributes and ndicate all of your key attributes in red.
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