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.
Illustrate the different Types of facts?
In Sybase does table Partitioning needs user-defined segments?
Specify the System variables?
Describe the some drawbacks of a standard language like SQL?
What is meant by the term query subject?
Give a brief introduction of the term dicing and slicing in business objects?
Explain different domain which is there in BO?
Describe briefly the four JDBC driver types which Sun defines?
How can we do unit testing into the informatica? How to load data in the informatica?
Explain the Joiner transformation?
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