How to design file watch jobs?
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What are the key features of chameleon that separates it from other algorithms?
Explain is fact table?
What is the difference between aggregate table and materialized view?
What is the difference between Oracle Express and Oracle Discoverer?
if you use oracle sql*loader , how do you transform data with it during loading?
Where the applications and where
Explain what are the methodologies of data warehousing?
What is data merging, data cleansing and sampling?
Can you brief about the Data warehouse project you worked on?
What is the difference between power center & power mart?
How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?
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?