Data Modeling-Oracle SQL Developer Data Modeler-Part 1

Опубликовано: 20 Январь 2025
на канале: MotionCage

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In this video. I will tell you the Level of Data modelling .We can see that the complexity increases from conceptual to logical to physical. This is why we always first start with the conceptual data model level so we understand at high level what are the different entities in our data and how they relate to one another, then move on to the logical data model level so we understand the details of our data without worrying about how they will actually implemented and finally the physical data model level so we know exactly how to implement our data model in the database of choice In a data warehousing project, sometimes the conceptual data model and the logical data model are considered as a single deliverable. In the next session we cover the forward /reverse engineering concepts.

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Please watch: "Data Modeling-Oracle SQL Developer Data Modeler || Part 4"
• Data Modeling-Oracle SQL Developer Da...
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