What is the difference between power center & power mart?
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What is aggregate fact table?
What is meta data and system catalog?
Explain what is the difference between power center & power mart?
Explain what are the various file formats involved in reportnet?
Explain is olap databases are called decision support system true/false?
How can we run the graph? How can we schedule the graph in unix?
What are the vaious etl tools in the market?
Explain difference between snow flake and star schema.
What are the different types of join operations?
What are the advantages and disadvantages of reporting directly against the database?
What are data validation strategies for data mart validation after loading process?
Explain about core dimension, balanced dimension, and dirty dimension?