Compare aggregates and data marts
What is data stream and data adaopter. Is it same are different? Explain?
What are the tools available for etl?
How can we schedule the graph in unix?
Who needs data warehousing?
Explain normalization?
What is a star schema? Why does one design this way?
What is the main difference between schema in rdbms and schemas in datawarehouse?
Explain what are non-additive facts?
What is Active Datawarehousing?
How to handle multi value dimensions?
Explain why should you put your data warehouse on a different system than your oltp system?
What is difference between Business Objects and Hyperion Essbase? Please help me