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What is denial of service attack in distributed system ? |
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What are the Different methods of loading Dimension tables? |
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What is data cleaning? How can we do that? |
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What are dimensions? |
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Explain the advanatages of RAID 1, 1/0, and 5. What type of RAID setup would you put your TX logs. |
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What is degenerate dimension table? |
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What are the major differences between Informatica 7.1,8.1,8.5 and 8.6? |
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Explain about the integrated dataware house stage? |
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What is BUS Schema?
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What is a Star Schema?
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What is ODS? |
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In Dimensional modeling fact table is normalized or denormalized?in case of star schema and incase of snow flake schema? |
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What is ETL? |
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What are non-additive facts? |
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If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ? |
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What is a time dimension? give an example. |
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What are the methodologies of Data Warehousing.? |
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What is the main difference between Inmon and Kimball philosophies of data warehousing?
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What is a CUBE in data warehousing concept? |
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State two major differences between a dataware house and operational dataware house? |
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