What is the 4 + 1 view model as it relates to system modeling?
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for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
What are Fact tables and Dimension Tables?
Can we take backup when the database is opened?
Name at least three brands of Database Management Systems
why oracle is the best database for data warehousing?
What is Conceptual, Logical and Physical model?
What do you mean by static and local variable?
If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?
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What is the difference between power center and power mart?
How can you define a transformation? What are different types of transformations in Informatica?
What are the different types of data warehousing?