COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many types of data models are there?
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -The three primary data model types are relational, dimensional, and entity-relationship (E-R). There are also several others that are not in general use, including hierarchical, network, object-oriented, and multi-value.
Detailed explanation-2: -The following are the types of data modeling techniques: hierarchical, network, relational, object-oriented, entity-relationship, dimensional, and graph.
Detailed explanation-3: -There are 3 common types of data models: relational, hierarchical, and network database.
Detailed explanation-4: -Hierarchical Data Model. Relational Data Model. Entity-relationship (ER) Data Model. Object-oriented Data Model. Dimensional Data Model. 17-Aug-2022
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