Thursday, 6 February 2020

Data log and Recursion

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Data log and Recursion


? The objective of data modeling is to design a data structure for a database fitting as good
as possible with some relevant world, often related to an organization with some
information need.
? In general there is some relationship between a data model and a part of the existing
world, but it is also possible that a data model has a relationship with some imaginary and
abstract world.


Datalog Program: Datalog program as either output relations or input relations.
Data modeling: Data modeling, using a specific data model type, and as a unique activity during
information system design.

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