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.
Illustrates the quickest sorting method to use?
What is meant by the term business objects?
Explain the stage variables?
Name the main data structures used in these areas: Hierarchical data model, RDBMS and Network data model?
Describe some of the major objectives of normalization?
What are the catches?
Explain the standard folders?
Explain the isEmpty() member method called.
Which technique is used in the BCA?
Illustrates the various extensions for stored procedures?
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