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1. What safety and security features are provided by the OnStar system?
2. What are the advantages of consolidating a patient's medical records into a single data- base accessible by many? What are the risks associated with this consolidation?
3. In what way do digital video recorders provide viewers with less privacy than videotape recorders?
4. How could "cookies" created by a Web server affect a computer user's privacy?
5. What is data mining?
Database designers stated following dimension of "miniworld"- to be represented in Company Supplier-Part database: company is organized into departments. Each department has unique name, unique number.
A motor vehicle maintenance center wants to improve its services by using database management systems (DBMS) and data mining. What tables are needed in such a database and how can it help improve their 2.2, 3.2services
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Discuss iterative design as it relates to databases overall. Determine whether one must design a database iteratively or design the entire database all at once. Provide a rationale for your answer
Develop a crow's foot ERD using Oracle Data Modeler or ER assistant that captures the following requirements: An employee has a unique employee number, a name, a position, and an optional office number.
describe seperation between users and database administrators
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.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
Write a script that provides all of the information in, and duplicates the formatting of, Oracle's SQL*Plus describe command. Additionally, the output should add the comments on the rows. Input: owner and table name. Output: columns for Name, Null..
Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.
Relational Algebra- The database used for this question is a very simple one with the following schema: (Primary keys are bold, foreign keys are underlined)
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