Can you state some of the innovations throughout history?
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Explain datawarehousing?
Explain how many ways you create ports?
Describe a data warehouse.
What is Sequence clustering algorithm?
what is the difference between aggregate table and fact table ? how do you load these two tables ?
What is edw?
What is meta data and system catalog?
What are the data types present in bo? What happens if we implement view in the designer n report?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What is the difference between datawarehouse and bi?
three ways sql*loader could load data, what are those three types?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.