What is the difference between er modeling and dimensional modeling?
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What is the difference between constraind base load ordering and target load plan?
Explain what are the basic needs to join two sources in a source qualifier?
Explain what is difference between query studio and report studio?
Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
What is data merging, data cleansing and sampling?
What is surrogate key? Where we use it?
Explain the definition of normalized and denormalized view?
What are aggregate fact tables ? why they are needed? give an example
What are the various file formats involved in reportnet?
What Oracle tools can be used to design and build a W/H?
Explain what is the difference between power center & power mart?
What are the various transformation available?