Database Concepts & Data Model
9328Answer the following questions: 1. Define and discuss the concept of transitive dependency. 2. What three data anomalies are likely to be the result of data redundancy? How can such anomalies be eliminated? 3. Suppose that someone tells you that an attribute that is part of a composite...
Create a relational database model
9327Instructions Each Student will select a situation or a problem from their company as a course project that can be solved using a database system. Using MS Access, or MS SQL Server Express. Each student will create a relational database model of the system. The project should...
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...