Database
9304Instructions Answer all problems in the attached word document file. Use the Ch07_SaleCo database that is attached....
Database Concepts & Data Model – SQL
9303Answer the following questions: 1. Discuss, with examples, what are "referential constraint actions"? 2. Explain why it might be more appropriate to declare an attribute that contains only digits as a character data type instead of a numeric data type. 3. Explain why the two following commands produce...
Data Model
9279Instructions Answer all problems in the attached word document file. For drawing diagrams you can use the drawing tools within MS Word or MS Excel or any drawing software you have. You can even draw on a piece of paper, scan it, and submit it....
Database Concepts & Data Model
9278Answer the following questions: 1. What is a Data Integrity rule? Give some examples illustrating your answer. Why would we use them? 2. What is Entity Clustering - explain with the aid of an example. 3. When should you consider using super type/subtype relationships?...
Database File Systems
9258Answer the following questions: 1. Discuss some of the problems with File System based Data Processing and some of the benefits of using a Database system environment. 2. What do you understand by degrees of Data Abstraction? 3. What are indexes in a relational database? How are they...
Database file structure, diagram, tables
9241Instructions Answer all problems in the attached word document file. For drawing diagrams you can use the drawing tools within MS Word or MS Excel or any drawing software you have. You can even draw on a piece of paper, scan it, and submit it....
How the TCP/IP model maps to the OSI model
8605Detail how the TCP/IP model maps to the OSI model and describe the security concerns associated with each layer and its specific protocols. Your essay should be no less than 500 words. Be sure to use proper APA punctuation as well as provide research references; part of...
Cybersecurity Principles and the Adversary Model
8585Read the list of Cybersecurity First Principles Links to an external site https://mlhale.github.io/nebraska-gencyber-modules/intro_to_first_principles/README/ In addition to the Cybersecurity Principles, research the Adversary Model of cybercrime using your textbook (Hacker Techniques, Tools, and Incident Handling, Third Edition) and the Internet. Using the information you uncover, as...
Interfaces in communications networks.
6822You are designing an application at work that transmits data records to another building in the same city. The data records are 500 bytes in length, and your application will send one record every 0.5 seconds. Is it more efficient to us a synchronous...