What are the methodologies of data warehousing?
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What is the difference between narmal load and bulk load?
What is loop in data warehousing?
OLAP architecture?
When should you use a STAR and when a SNOW-FLAKE schema?
Where the data cube technology is used?
Why should you put your data warehouse on a different system than your oltp system?
what is user variable in affinium campaign? and some real time examples.
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
what are the other factors of the database on which the loading performance depend?
Compare aggregates and data marts
How can we acheive correlated sub-query in designer?can anyone help me in this regard?
What are the different types of datawarehosuing?