Types of database models pdf

 

 

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Define the three traditional database models: hierarchical, networking and relational. List database types other than the relational model. Objectives. The different types of databases include operational databases, enduser databases, distributed databases, analytical databases, relational databases,The ER model for conceptual design describes data as instances of entity types, relationship types with cardinalities, attributes, etc. Schallehn (FIN/ITI). database design. • How the major data models evolved, and their advantages and disadvantages. • How data models can be classified by level of abstraction Entity-relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational RDM Mobile is a newly designed embedded database for a mobile computer system. The hierarchical data model lost traction as Codd's relational model became the

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