Where do we use semi and non additive facts?
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Explain in simple terms, the concept of Data Mining.
Explain the hierarchies level data warehousing.
1.WHAT IS DATA MART ?
What is the difference between filter and lookup transformation?
What is meant by metadata in context of a data warehouse and how it is important?
why oracle is the best database for data warehousing?
what are the major three types of modeling used?
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Explain what is partitioning? What are the types of partitioning?
What are the different types of fact tables used in data warehousing?
Explain the main difference between inmon and kimball philosophies of data warehousing?
What is the difference between star and snowflake schemas?
How to use the tool Ontobulider