Data Model - Revision history

User at 23:22, 12 April 2023

2023-04-12T23:22:11Z

User at 19:16, 20 January 2023

2023-01-20T19:16:29Z

User at 12:19, 20 January 2023

2023-01-20T12:19:12Z

User at 22:39, 6 December 2022

2022-12-06T22:39:04Z

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2018-12-19T19:19:01Z

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-A data model organizes data elements and standardizes how the data elements relate to one another. Since data elements document real-life people, places, and things and the events between them, the data model represents reality. For example, a house has many windows or a cat has two eyes.<ref>[https://cedar.princeton.edu/understanding-data/what-data-model What is a Data Model?]</ref>
+A '''Data Model''' is a representation of the structure of data that is used to organize and manage data in a database. It is a blueprint that defines how data is organized and how different data elements relate to each other. Data models provide a way to describe data and its relationships in a way that is easy to understand and can be used to develop a database.
-Data models describe how a database's logical structure is represented. In a database management system, data models are essential for introducing abstraction. Data models specify how data is linked to one another, as well as how it is handled and stored within the system.<ref>[https://byjus.com/gate/data-models-in-dbms-notes/ Data Models in DBMS | GATE Notes - BYJU'S]</ref>
+There are different approaches to creating a data model, including entity-relationship (ER) modeling, object-oriented modeling, and dimensional modeling. ER modeling is a popular approach used to create a visual representation of data using entities, attributes, and relationships. Object-oriented modeling is used to describe data as objects that have properties and methods. Dimensional modeling is used in data warehousing to organize and present data in a way that makes it easy to analyze.
 ==See Also==
 *[[NIAM (Nijssen's Information Analysis Methodology)]]

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−	*[[~~Database~~ (~~DB)]]~~	+	*[[NIAM (Nijssen's Information Analysis Methodology)]]
−	*[[Logical Data Model (LDM)]]

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 *[[Database (DB)]]
 *[[Logical Data Model (LDM)]]
-*[[Business Strategy|Define Business Strategy]]

← Older revision		Revision as of 22:39, 6 December 2022
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−	''~~'Content Coming Soon'''~~	+	A data model organizes data elements and standardizes how the data elements relate to one another. Since data elements document real-life people, places, and things and the events between them, the data model represents reality. For example, a house has many windows or a cat has two eyes.<ref>[https://cedar.princeton.edu/understanding-data/what-data-model What is a Data Model?]</ref>
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		+	Data models describe how a database's logical structure is represented. In a database management system, data models are essential for introducing abstraction. Data models specify how data is linked to one another, as well as how it is handled and stored within the system.<ref>[https://byjus.com/gate/data-models-in-dbms-notes/ Data Models in DBMS \| GATE Notes - BYJU'S]</ref>
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		+	==See Also==
		+	*[[Database (DB)]]
		+	*[[Logical Data Model (LDM)]]
		+	*[[Business Strategy\|Define Business Strategy]]
		+	*[[IT Strategy (Information Technology Strategy)\|Definition of IT Strategy]]
		+	*[[E-Strategy\|Define e-Business Strategy]]
		+	*[[IT Governance\|Define Corporate Governance of Information Technology]]
		+	*[[Enterprise Architecture\|Define enterprise architecture]]
		+	*[[IT Sourcing (Information Technology Sourcing)\|What is IT Sourcing?]]
		+	*[[IT Operations (Information Technology Operations)\|Define IT Operations]]
		+	*[[Chief Information Officer (CIO)\|CIO]]
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		+	==References==
		+	<references />