How do you create surrogate key using ab initio?
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Explain why should you put your data warehouse on a different system than your oltp system?
Compare ?Data mining? and ?Data Warehousing??
4.Explain Snowflkeschema ?
6 Answers EDS, HCL, IBM, iFlex, TCS,
Explain what is the difference between view filter and report filter?
Explain the main difference between inmon and kimball philosophies of data warehousing?
What are snapshots? What are materialized views & where do we use them?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
Explain me what is vldb?
Suppose I want to get sales data for the last (suppose 10) dates dynamically using value prompt how can I do it and drag it onto report editor?
What is a staging area? Do we need it? What is the purpose of a staging area?
what is indexing ? what are different types of indexes supported by oracle ?
Explain why denormalization is promoted in universe designing?