Explain the main differences between star and snowflake schema?
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After the generation of a report to whom we have to deploy or what we do after the completion of a report?
Explain what are non-additive facts in detail?
What is Drill by? drill through?
What are data validation strategies for data mart validation after loading process?
Explain the difference between data ware house & data mart?
Tell me one example for multi valued dimension or bridge table?
2 Answers Accenture, CMC, IBM, Logica CMG, TCS,
How to calculate fact table granularity?
Difference between DSS & OLTP?
4.Explain Snowflkeschema ?
6 Answers EDS, HCL, IBM, iFlex, TCS,
What are the data marts?
Explain where do we use semi and non additive facts?
What is difference between model & package?