What are aggregate transformation?
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what is the difference between etl tool and olap tools
What are cursors?
What are the other names given to data warehousing?
What is a cube in data warehousing concept?
Explain what does level of granularity of a fact table signify?
What is surrogate key? Where we use it explain with example?
What is difference between model & package?
what is the difference between DSS and ODS ?
what is parallel query?
Which are the olap tools available that are supported by oracle?
Explain what is cost benefit analysis (cba)?
What are Data Marts?