Explain what are data marts?
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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 is the function of surrogate key in data warehousing?
Explain some of modeling tools available in the market?
Explain Association algorithm in Data mining?
Explain ddl (data definition language)?
Explain dimensional modelling?
If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
How can we run the graph? How can we schedule the graph in unix?
How to load the time dimension?
What are aggregate tables and aggregate fact tables?
How many ways we test the universe & Report?
Explain what is batch and describe about types of batches?