What is called data cleaning?
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How to reduce warnings?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
ware house management system is used?
Tell me what is degree of a relation?
What is partitioning? What are the types of partitioning?
What is data validation strategies for data mart v?
What is data warehosuing hierarchy?
Explain the main difference between inmon and kimball philosophies of data warehousing?
How to handle multi value dimensions?
explain about balanced dimension,
Explain me what is vldb?