Define data warehouse?
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which automation tool is used in data warehouse testing?
What are the key columns in Fact and dimension tables?
What is the goal of optimizer?
Explain what are the different types of data warehousing?
What is the difference between olap and oltp?
Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?
What is vldb(very large databases)?
What are algorithms provided by Microsoft in SQL Server?
For faster process, what we will do with the universe?
How to calculate fact table granularity?
Which one among Star and snowflake schemas will occupy more space?
Explain what is the advantages data mining over traditional approaches?