How can we do data cleaning?
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Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
What is drill-through?
What is query panel?
What is crass reference table?
Explain datawarehousing?
What are the data types present in bo?
Tell me what is degree of a relation?
Explain in detail abt measure objects? And what is the use of it? How to create it?
Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?
Explain what are the basic needs to join two sources in a source qualifier?
What is data stream and data adaopter. Is it same are different? Explain?
What are the key columns in Fact and dimension tables?