Explain what is the data type of the surrogate key?
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Explain normalization?
what are different storage options supported by oracle ?
why oracle is the best database for data warehousing?
What is an error log table in informatica occurs and how to maintain it in mapping?
Explain what are the different types of data warehousing?
How are models actually derived?
What according to you might be the future of data warehousing?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
Explain how to export mappings to the production environment?
What are different stages of ?Data mining??
What is the definition of cube in datawarehousing?
How to eliminate duplicate rows from flat file?