What is data modelling
What is meant by the data modelling?
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Data modelling represents the real world set of the data structures or entities and their relationship in their data models, needed for database.
There exist various types of modelling:
a) Logical data modelling. b) Conceptual data modelling. c) Physical data modelling. d) Relation data modelling. e) Enterprise data modelling. f) Dimensional data modelling.
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You have two tables, STUDENT and COMPUTER which are in a one-to-one relationship. The foreign key is StudNumber in COMPUTER that references StudNumber as the primary key of STUDENT. Describe what must be done to convert the one--to-one STUDENT -COMPUT
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