Topic: Data Modeling Concepts
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Answers to Common Questions
What is a Data Model?
A data model is a conceptual model that displays the distribution and outline of a certain set of data, in order to analyze and interpret the data. Read More »
Source: http://answers.ask.com/Reference/Other/what_is_a_data_model
When is the concept of weak entity used in data modelling?
A weak entity can be identified uniquely only by considering the primary key of another (owner) entity. Read More »
Source: http://wiki.answers.com/Q/When_is_the_concept_of_weak_entity_used...
What Is the Concept of a Business Model?
At its most general, the concept of a business model is designed to translate a new idea or technology into actual, tangible economic value. It is about creating value using, at its root, intellectual capital. Writing out a detailed busines... Read More »
Source: http://www.ehow.com/about_6716327_concept-business-model_.html
More Common Questions
Answers to Other Common Questions
Programmers use logical data entity concepts to assess and analyze data before normalizing it and storing it in data persistent storage, such as a database. Logical data entity concepts form an important means of matching real world phenome...
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Source: http://www.ehow.com/info_10044500_logical-data-entity-concepts.ht...
Relational databases are in almost every business in today's marketplace. They store information about customers, products, suppliers, orders and transactions. The design of a model to correlate all that data is the most important part of t...
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Source: http://www.ehow.com/how_2247210_create-relational-data-model.html
Data modeling is an information technology method used to define data structures used to design databases and software. It allows programmers and software developers the ability visualize what data is needed and how the data should be organ...
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Source: http://www.ehow.com/how_5585172_start-career-data-modeling.html
a 2D model that is in your mind or on paper
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Source: http://wiki.answers.com/Q/What_is_a_conceptional_model
Data: Data is raw facts about person, places, objects, events etc. that exists around us. For example: students, pen, stones etc.
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Source: http://wiki.answers.com/Q/What_is_concept_of_data_base
Creating a data model for email messages requires that each email be accessible in the proper context and also that the appropriate relationships are labeled. This is the job of a database programmer, and it involves extensive planning and ...
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Source: http://www.ehow.com/how_4488746_create-data-model-email-messages....
The Lewis structure of an atom gives a clear illustration of the valence electrons.
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Source: http://wiki.answers.com/Q/What_is_the_concept_of_the_lewis_model_...
