Explain reference cursor?
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Explain the differences between normalizer and normalizer transformation?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
What is a fact, dimension, measure?
What are vaious etl tools in the market?
What is the use of incremental aggregation? Explain me in brief with an example?
how to calculate sum(sal) with out using aggregator satge
Tell me what is full load & incremental or refresh load?
When should you use a STAR and when a SNOW-FLAKE schema?
Difference between cold fusion mx 6 and cold fusion mx 7?
For faster process, what we will do with the universe?
Explain difference between e-r modeling and dimentional modeling?