what is an use case?
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How can you define a transformation? What are different types of transformations in Informatica?
What is the difference between olap and datawarehosue?
What are the different types of join operations?
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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After the generation of a report to whom we have to deploy or what we do after the completion of a report?
Tell me what is degree of a relation?
What is the difference between a primary and secondary actor in use case modeling?
Explain the difference between dw and bi?
When should one use an MD-database (multi-dimensional database) and not a relational one?
What is a source qualifier?
What is aggregate fact table?
Can any one explain the hierarchies level data warehousing.