1. What is normalization? Why is it important? 2. What is functional dependency? 3. Why is this table NOT in First Normal Form (1NF) normalization? What can you do to put it in 1NF? ORDERS OrderNum OrderDate PartNum NumOrdered 21608 10/20/2007 AT94 11 21617 10/23/2007 BV06 2
A 7-step Access database - Beginners level.
Design a relational database containing information about music composers, their lives, and their compositions
This solution deals with a set of questions related to disaster recovery plans. The first question deals with the purpose of a disaster recovery plan. The second question deals with the key elements of a disaster recovery plan. The third question deals with the dive methods of testing a disaster recovery plan. The fourth question deals with the need for testing a disaster recovery plan.
What is the purpose of a Disaster Recovery Plan (DRP)? What are the key elements of a DRP? What are the five methods of testing a DRP? Why does a DRP require testing? Include at least one reference.
1. Is it possible for two entities to be related to each other in two ways? For example, could entity A be related to entity B both 1:M and 1:1 at the same time? a. No, this would violate structural integrity. b. Yes, but this should be avoided where possible. c. Yes, this is a perfectly acceptable practice when calle
Several of your family members have found out that you are using Excel to organize the data for the high school reunion. Your Uncle Larry wants to create an inventory of the over 800 video games that he collects. He has kept track of when he purchased each toy, the price he paid, and their names, but he has never taken the time
Management of Information Systems: This solution deals with a set of three questions. The first question deals with the relations between entities in a database in the context of a real world example. The second question deals with the design of an information systems for grades, review and management to be used by faculty, department administration and students. The third question deals with the scenario of creation of technology management student society website, the objectives and ways of achieving the objectives.
Choose one question and answer it in an essay form. If you make any assumptions, Please make them explicit. 1. Relations between entities in a database represent relations and opportunities in the real world. Discuss. 2. Design an information system for grades, review and management to be used by faculty, depar
I need answers of below questions: #1. Design a relational database containing information about music composers, their lives, and their compositions. (Avoid redundancies similar to those in Figure 9.4) Sorry for disturbing you, the problem is that I don't listen to any type of music hence I don't know the names. Than
From the System Analyst's perspective, below are several situations calling for decisions about output, content, output methodology, distribution and son on. For each situation, note the appropriate output decision. Be brief. a. A large, well-regarded supplier of key raw materials to your company's production process requires
MUST USE Microsoft Access, create the keys and relationships between tables for the Huffman Trucking Driver Log for the original tables. Please make sure you include the primary and foreign keys for all 3 tables. Part 2.B-Normalize the ERD and explain the level of normalization. The explanation can be done in a word document w
An articulation of the business analysis of the Riordan Company was performed on how they carry out their specific processes or business developments. For any business to run correctly you must have a detailed outline of a business service request. By doing so, any new requirement can be researched, tested and validated to ensure all stakeholders understand what the requirement is as well as what the desired outcome should be. i.e. The end user must be able to use the product in an efficient manner to enhance the overall productivity of their company. If this is not the case, productivity goes down, which then leads to added unforeseen business costs.
This is an Information technology class and the response should be as such. Please explain the following. Please just provide a to the point response to the topic below in relationship to the attached paper. An articulation of the business requirements in terms of specific processes or business development needs. Note: Pl
After completing a course in database management, you have been asked to develop a preliminary ERD for a symphony orchestra. You discover the following entity types that should be included: - CONCERT SEASON The season during which a series of concerts will be performed. Identifier is Opening_Date, which includes Month, Day, a
Develop an EER model for the following situation using the traditional EER notation, the Visio notation or the supertypes notation. An international school of technology has hired you to create a database management system to assist in scheduling classes. After several interviews with the president, you have come up with the f
The problems below use the Customer, OrderTbl, and Employee tables of a simplified Order Entry database. The Customer table records clients who have placed orders. The OrderTbl contains the basic facts about customer orders. The Employee table contains facts about employees who take orders. The primary keys of the tables are Cu
Write the proper sequence of activities in the design of a rental video database. (The initial ERD was shown in the figure). The design must support all rental activities, customer payment tracking, and employee work schedules, as well as track which employees checked out the video to the customers. After you finish writing the
The questions are also in the pdf file. Question 3. Following a new rule of the company, some customers' insurance rates need to be adjusted. The following query counts the number of such customers. Select count(*) From customer Where (age > 20 and ticketNumber >= 5) or age < 18 Assume that the date distribution of th
This question deals with the significance of null values and how they are different from blank or zero value. It also probes whether null values are requires or not
What is the main argument for and against NULL? Do you think NULL values should be allowed? Why or why not?
A tiny college wants to keep track of the history of all administrative appointments (date of appointment and date of termination) (hint: time variant data are at work) The tiny college chancellor may want to know how many deans worked in the college of business between january 1, 1960 and january 1 2008 or who the dean of the c
Describe the relationships related to databases for Huffman Trucking Driver's Log : 1. One to one 2. One to many 3. Many to many
Please explain how a databses management system (DBMS) and data mining can help a motor vehicle maintenance center improve its services, and what tables would be needed in such a database. Also what additional way can the DBMS and data mining be used to imporve customer service.
In a report that less than half of all organizations validate the in thier databases and test the database management system's functionality. Why is this? do you think a cetain type or size of organization is more likely to skip these tests than another? Please explain your reasoning. Please help need right away Thanks
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate. What would the implementation of this trigger look like?
Database Management - A college course may have one or more scheduled sections, or may not have a scheduled section.
A college course may have one or more scheduled sections, or may not have a scheduled section. Attributes of COURSE include Course_ID, Course_Name, and Units. Attributes of SECTION include Section_Number and Semester_ID. Semester_ID is composed of two parts: Semester and Year. Section Number is an integer (such as "1" or "2"
Discuss the difference between a composite key and a composite attribute. How would each be indicated in an ERD?
1) For each table, identify a super key and a secondary key. TABLE SUPERKEY SECONDARY KEY TRUCK BASE TYPE Reference Figures: TABLE PRIMARY KEY FOREIGN KEY(S) TRUCK BASE TYPE See attached
1) Do the tables exhibit entity integrity? Answer Yes or No, and then explain your answer. TABLE ENTITY INTEGRITY EXPLANATION TRUCK BASE TYPE TABLE PRIMARY KEY FOREIGN KEY(S) TRUCK BASE TYPE
List the rows in each of the joined tables. Use the small database shown in Figure Q3.5 to illustrate the difference between a natural JOIN, an equiJOlN, and an outer JOIN. (See attached file for data)
Describe how you would design a database to keep track of all the students at a university. describe tables, relationships, attributes, Primary Keys, Foreign Keys, Candidate Keys. Describe minimum and maximum cardinalities for each relationship. Make sure the database is normalized. Items to keep track of in database: fi
This solution provides an overview of a Disaster Recovery Plan
What types of tasks would benefit from databases utilizing workflow technology? Describe briefly any workflow database that you know of.