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.
Explain the two in order to importing users & groups from the supervisor?
States the term Mirror Activator Disk mirroring?
Explain the Rank, Router, Sorter transformation?
How does one get the correct binary value?
Explain Batches and Session?
Explain in brief the term data warehouse.
What is meant by the User Objects? Specify some of its restrictions?
Describe truncate commands.
Illustrates the term bucket size, while the overlapping and collision arise at same time? Answer: Bucket size is one. When there is only one entry possible in the bu
Illustrates the Radix Sort?
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