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Question 1: Describe two ways redundancy infiltrates a database. Hint: Think about the difference between text boxes as data inputs and drop-down selection lists - one better controls the quality of data you enter! Another hint is to reflect on lookup tables. Note: Please do not state by "not normalizing the database". Be more specific and creative!
Question 2: Explain one characteristic of a database that has data redundancy. Note: Redundancy in our context is not a good thing!
Question 3: Briefly explain the benefits of normalization and why we should implement it when designing databases
Question 4: Provide an example of a table or database that is in first normal form and explain how you would bring it to 3NF.Solve these questions in details and provide examples to support your rationale.
implement a database of courses and students for a school keeping track of which students are taking which courses.
What criteria would you use in selecting a life-cycle model for the project?
What is your recommendation for this policy and process? Does the reason for leaving the company affect the recommendation? Why or why not? Be specific and explain your reasoning.
1. explain the concept of physical data independence and its importance in database systems2. explain what problems are
How to interactively query a database by using SQL statements and SQL*PLUS commands and how to use spool command to save an interactive session within SQL*PLUS.
1. construct a scenario leading to the worst-case performance of the fifo buffer replacement policy.2. is it possible
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
What are the main activities that the business undertakes and where in the business are the crucial decisions made?
write a two-page executive summary for your boss explaining how a relational data solution can be applied to a current
Each department is described by a name, department code, office number, office phone, and college. Both name and code have unique values for each department.
The third project involves writing the semantic analyzer for the compiler that was begun in the previous projects. To simplify the semantic error checking, you are to remove the ability to have multiple functions from the grammar and the ability t..
Map the ERD to create the relational model corresponding to the described application. Basically, list the CREATE TABLE statements with the attribute names, and appropriate data types.
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