answered By vishnoiprem 0

Data Modeling

1) E-R Diagrams

2) Dimensional modeling

2.a) logical modeling

2.b)Physical modeling

And Data modelling concepts are 3 types

that are

1) E-R Diagrams

2) Dimensional modeling

2.a) logical modeling

2.b)Physical modeling

And Data modelling concepts are 3 types

that are

- conceptual model
- logical model
- phisical model

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