What is star schema
What is meant by star schema?
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A star schema refers to the simplest form of data warehouse schema which comprises of one or more dimensional and fact tables.
Why we use Context? And explain the LOV?
Which of the following method does not support sorting (Exchange, Selection, Insertion, Deletion)?
Describe the differences between unstructured data and structured data?
Explain the mapping of ERD to DFD?
Explain the way to set the number of lines upon a page of output and the width.
State the difference between OLTP and OLAP?
How can we do unit testing into the informatica? How to load data in the informatica?
Illustrates the term normalization?
Define the term Data Independence?
List out the three kinds of business rules and also define each of them?
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