What is a source qualifier?
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What is query panel?
Compare aggregates and data marts
Explain degenerate dimension table?
Why do we use DSS database for OLAP tools?
Explain what are the advantages of query studio compared to report studio?
What is an error log table in informatica occurs and how to maintain it in mapping?
What is the difference between power center and power mart?
why oracle is the best database for data warehousing?
What is the difference between ods and oltp?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
Difference between ODS and Staging
What is the use of dimensional modeling in data warehousing?