Explain bus schema?
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How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
Tell me one example for multi valued dimension or bridge table?
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Explain what is data validation strategies for data mart validation after loading process?
What is Snow Flake Schema design in database?
Explain what is difference between query studio and report studio?
Compare and contrast aggregates & indexes
What are the data types present in bo?
How would you declare an inline css to format the table with a background color of yellow and give the table cell a right margin of 10 pixels?
how do you use commit frequencies? how does it affect loading performance?
What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
When should you use a STAR and when a SNOW-FLAKE schema?
What is surrogate key? Where we use it explain with example?