Essays Tagged: "Data model"
Entity-Relationship model vs. Semantic Object model
and their relationships to each other, typically used in computing in regard to the organization of data within databases or information systems. An entity is a piece of data; an object or concept abo ... tity is a piece of data; an object or concept about which data is stored. A relationship is how the data is shared between entities. The three types of relationships between entities are one-to-one, o ...
Subjects: Science Essays > Computer Science > Programming Languages
Systems Analysis-Lifecycle Models and Methodologies
used for analysing and designing very large systems. A good example would be systems based on large databases.This methodology is made up of five stages. The first stage is a feasibility study. A prop ... e and depth of the study. A detailed investigation of the current system is undertaken, in terms of data structure and system processes. This investigation is documented together with any requirements ...
Subjects: Science Essays > Computer Science
Lifecycle models and methodologies
used for analyzing and designing very large systems. A good example would be systems based on large databases.This methodology is made up of five stages. The first stage is a feasibility study. A prop ... e and depth of the study. A detailed investigation of the current system is undertaken, in terms of data structure and system processes. This investigation is documented together with any requirements ...
Subjects: Science Essays > Computer Science
Convergence between structured data (as stored in the relational database) and unstructured data (such as might be found in textual information or the World Wide Web)
Structured data and unstructured data are both used daily by many people, many of whom don't distinguish betwee ... eople, many of whom don't distinguish between the two (Weglarz, 2004). Being able to harness to two data types together is a great feat and can help with Sarbanes-Oxley compliance (Weglarz, 2004).Stod ... (2005) discusses the tendency for businesses to strive for the competitive edge and how opening up data access can help steer businesses toward that end. Stodder (2005) discusses the efficacy of SOA ...
Subjects: Businesss Research Papers > Management > Management Planning & Decision Making
Database Management DBM500 UOP Week 2 DQ2
Week 2 DQ 2University of PhoenixDBM500: Database ConceptsAugust 24, 2007�How do Entity Relationship Diagrams (ERDs) help to ensure pr ... Entity Relationship Diagrams (ERDs) help to ensure proper database design?The importance of proper database design was addressed in DQ1 of this week. Entity Relationship Diagrams (ERDs) help ensure p ... onship Diagrams (ERDs) help ensure proper database design by graphically showing the structure of a database.ERDs also help us learn key concepts about the data we need to use or manipulate. For examp ...
Subjects: Science Essays > Computer Science
Decision-Making Model Analysis
forms testing on proto type printers for HP at HP's Vancouver site. In an effort to gain additional data, HP would like to have VeriTest collect current data in a different method. The new method woul ... n this model is identifying the problem, which is a lack of easy access and compilation of critical data for research and development (R&D) teams. R&D would like VeriTest to input the data int ...
Subjects: Businesss Research Papers > Management > Management Planning & Decision Making
Object-Oriented Database Management Systems
The construction of Object-Oriented Database Management Systems started in the middle 80's, at a prototype building level, and at the be ... tems from the need to cover the modeling deficiencies of their predecessors, that is the relational database management systems. They were intended to be used by applications that have to handle big a ... nagement systems. They were intended to be used by applications that have to handle big and complex data such as Computer Aided Engineering, Computer Aided Design, and Office Information Systems. The ...
Subjects: Science Essays > Computer Science
This paper talking about Database Management Systems
uch as purchasing, operations, marketing, and personnel may be convinced DBMS is ideal. Designing a database follows a general rule of stage analysis in:Data requirementsClassification of informationR ... in:Data requirementsClassification of informationRelationship between informationTransactions among data entitiesRules of identityThere are two stages in creating a database design: data and functiona ...
Subjects: Science Essays > Technology
Service Request for Kudler Fine Foods
el and the system objectives/model, and design requirements: input/output design, interface design, data model, network model will also be included.The Project Planning Phase involves creating of a se ... ) Training the staff on Microsoft operating systems and products.3.) Migrating the Microsoft Access database to the Microsoft SQL database.4.) Obtaining a high speed internet service provider.5.) Data ...
Subjects: Businesss Research Papers > Marketing
DBMS, explains what it is and how it is used in corporations
uch as purchasing, operations, marketing, and personnel may be convinced DBMS is ideal. Designing a database follows a general rule of stage analysis in:Data requirementsClassification of informationR ... in:Data requirementsClassification of informationRelationship between informationTransactions among data entitiesRules of identityThere are two stages in creating a database design: data and functiona ...
Subjects: Science Essays > Technology
Data Modeling
hellip;…………………………...3Chapter 2Data Mining Overview...………………………&hell ... lip;………………………4-9Chapter 3 Purpose of Data Mining…….……………………… ...
Subjects: Science Essays > Computer Science
relational database
CONCEPTUAL DATA MODELINGA data model is used by businesses to help govern the properties of the organization's ... s is important because a business rule represents business policies that should be enforced via the database. During the Requirements Structuring phase a data model captures the conceptual data requir ... ul refinements to subsequent models, a commitment must be made to designing an effective conceptual data model.The Conceptual Data Model represents a view of the overall structure of an organization's ...
Subjects: Businesss Research Papers > Management > Management Planning & Decision Making