What are the different methods of loading dimension tables?
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What is a ETL/ How does Oracle support the ETL process?
When should one use an MD-database (multi-dimensional database) and not a relational one?
What is scd1 , scd2 , scd3?
What are data validation strategies for data mart validation after loading process?
How do you define data block size?
How to answer the question how many fakt table in your datawarehouse and what size it have?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
What is Analysis Services?
What is metadata in context of a datawarehouse?
What are the key columns in Fact and dimension tables?
Explain the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs.
What is is a star schema?