What is factless fact tables?
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Explain the importance of data warehouse?
How can we do ETL process in SQL Server?
What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Explain what is data validation strategies for data mart validation after loading process?
What are Aggregate tables?
Disply the dname wise maximum salary
Explain what is the main difference between inmon and kimball philosophies of data warehousing?
5.Explain ODS ?
How can you define a transformation? What are different types of transformations in Informatica?
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?
Explain the definition of normalized and denormalized view?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?