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Database Design...Database Design The database design is presented in three stages as identified by Gavin Powell (2005)i. These include Conceptual Design, Logical Design and the Physical Design as described below.
Conceptual Design
The conceptual design of a database being the element part of the overall development of the design forms a critical segment of the design process. The conceptual design stage of the database predominantly includes the description of the various entities and their...
14 Pages(3500 words)Essay
Relational Database Design...|
+----+----------------+
| 1 | Mr. Gomez |
| 2 | Mr. Smith |
| 3 | Mr. McClaskey |
| 4 | Ms. Schwabach |
| 5 | Mr. Valentino |
| 6 | Ms. Racine |
| 7 | Mr. Jakobowski |
| 8 | Ms. Gloria |
+----+----------------+
8 rows in set (0.00 sec)
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II. Live Transactions.
All live transactions are shown in Appendix I. These consist of the Create Database Relational. The Create Table Textbook and the other nine tables that are created in this appendix with their primary keys.
III. A Non-trivial Query.
All insert queries and those requiring the creation of junction tables or outside joins for the many-to-many design requirements are in this category.
References
The MySQL...
6 Pages(1500 words)Assignment
Database systems analysis & design...System Database Design Report Table of Contents Introduction 3 System Context 3 Stakeholders 3 Requirement Analysis 4 Requirements 4 2.Business Objects (Entities) 4
Database Design 5
1.ERA Diagram 5
1.1.Entity-Relationship Model (ER Model) 6
1.2.Entity-Attribute Model (EA Model) 7
1.3.Entity-Relationship-Attribute Diagram (ERA Diagram) 8
2.Normalization 9
2.1.Un-normalised Form 9
2.2.First Normal Form (1NF) 10
2.3.Second Normal Form (2NF) 11
2.4.Third Normal Form (3NF) 11
Testing 14
Sample Test Data 14
Test Cases 15
Conclusion 18
Introduction
This document demonstrates the concept of normalization while designing the conceptual data model of a University...
12 Pages(3000 words)Assignment
Database Design and Implementation...Payment
Method
Date
Shipping address
Auction id
Product id
Zip code
country
delivery
The attributes zip code and country can be normalised into the shipping address table thus reducing the payment table to
Payment (3NF)
Method
Date
Shipping address
Auction id
Product id
Seller
Buyer id
Location
contacts
Payment details
2.2.2 ER Model derived from the 3NF entities
2.3 Database Schema
There are several assumptions made in the development of the above database schema. One of the many assumptions made in the design of the database schema is that a seller can have more than one product on auction. One or more products can be on auction at the same time...
20 Pages(5000 words)Assignment
Database Design Proposal...Database Design Proposal Database Design Proposal This proposal aims at designing a database for a health organization. The health organization deals with bulky health records of patients and staff every day. Therefore, a database system that keeps proper track of all the activities of the facility is necessary. The proposal seeks to come up with an easy-to-use, fast, secure and reliable system to safeguard health information in the organization (Stubbs & Webre, 2011). It also proposes a system that is cheap to design and easy to maintain. The tool used for the database management will be...
3 Pages(750 words)Article
Principles of Database Design...Principles of Database Design Principles Of Database Design Disaster Recovery and Business Continuity Plans
Business continuity and disaster recovery refer to the contingency plans and measures designed and executed by a business to guarantee operational flexibility in case of any service interruptions. As information technology systems have become the focus of all areas of business, the capacity to reliably and promptly recuperate these systems have become a vital issue in any business.
A Business Continuity Plan identifies a business’ vulnerability to both internal and external threats and manufactures soft and hard assets that offer efficient prevention and recovery for the business. At the same time, it retains value system... ...
2 Pages(500 words)Essay
Database Design Proposal: Analysis...with the increase over time instead of becoming too complex to handle.
2. It is of the utmost importance to ensure that health care workers have not only all the required information presented to them about each patient when requested, but also that the information is up-to-date and provided in real-time. This is to ensure that no important decision is taken by a health care worker at the centre based on old information or historical data that is no longer valid.
Although not directly related to database design, another feasibility issue that could impact on how well the design is implemented and how many essential design features are incorporated, is the budget. The...
3 Pages(750 words)Essay
Database design and SQL Light database creation...(prescription ID, patient number, prescription, date, treatment ID)\
Treatment (patient number, symptoms, diagnosis, treatment ID, date, treatment, description)
Referrals (patient number, date, hospital, symptoms, ref ID, description)
Diseases (disease ID, date, number of occurrences, symptoms, description)
Diagram is indicated on the PowerPoint presentation.
Challenges
The greatest difficulty in developing the database schema was in the drawing of the ER diagrams. The tools required for this task were not readily available and those that were available required a great deal of their understanding to use. The diagram drawn does not indicate all the attributes related to a given relation schema. It also...
3 Pages(750 words)Essay
Database design...to internalize the database design concept. Considering the strength and weaknesses of the database, I realized that database system is inherently important to any organization which uses a computerized system. The advantages outdo the disadvantages by far. The henry books database case is an ideal case study for database design. It provides all the information required in designing a database system.
The course also introduced me to relational databases and different low level programming features such as Query-By-Exam (QBE), simple and compound query criteria,...
2 Pages(500 words)Essay
Database Design...Database design Databases are the key components of successful businesses. They help businesses manage their resources efficiently. This is why pop and mom Enterprise wishes to design the following databaseDatabase Design
List of entities and relationships
The video store keeps stock of the videos. Customers on the other hand request for the videos. The store then rents the DVDs to the customers. The store maintains names and phone numbers for each customer. Each of the movies/DVDs in the store has a title and a unique movienumber together with serial number from the producer that is used to identify it....
1 Pages(250 words)Essay
