Answer Posted / guest

chennai

Define data warehouse?

967

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What is data warehosuing hierarchy?

1055

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Could any one explain me how to create cascading prompts?

990

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Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?

878

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What is a real-time data warehouse? How is it different from near to real-time data warehouse?

898

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What is the main difference between schema in rdbms and schemas in datawarehouse?

1024

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What are the mapping paramaters and maping variables?

977

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What are components of reportnet?

1028

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Explain bus schema?

897

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Explain what is real time data-warehousing?

1051

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Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?

917

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What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?

881

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Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

906

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Who needs data warehousing?

1003

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Can you brief about the Data warehouse project you worked on?

2317

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