What is a Decision Tree Algorithm?

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More Data Warehouse General Interview Questions

What is ods (operation data source)?

Define Data Warehousing?

Are facts same as metrics and dimensions same as measures? If not , please tell the difference?

How to provide security in frame work manager for a query subject?

what is a hot file, why we need in datawarehousing, where we used in general

Why should you put your data warehouse on a different system than your oltp system?

Explain what are the advantages and disadvantages of reporting directly against the database?

OLAP architecture?

Explain which columns go to the fact table and which columns go the dimension table?

How can you define a transformation? What are different types of transformations in Informatica?

Explain clustering algorithm?

What are the different types of Fatcs? Explain with example only

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