What are the various file formats involved in reportnet?
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waht is the advantage of infoset query
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
what is the difference between etl tool and olap tools
Explain what is the main difference between inmon and kimball philosophies of data warehousing?
explain about dirty dimension?
Explain how to get the first 100 rows from the flat file into the target?
how do you use commit frequencies? how does it affect loading performance?
What is the purpose of cluster analysis in data warehousing?
Disply the dname wise maximum salary
Explain where do we use semi and non additive facts?
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.
What are the advantages and disadvantages of reporting directly against the database?