Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
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What is surrogate key? Where we use it explain with example?
Advantages of de normalized data?
In my report contain product name, amount, country, sales person I want to create one prompt: sales territory.( Ex: asia, us, uk, aus), but territory column is not there in my model and source if u select the asia in prompt page-ll asian country results I want in report page I discussed with my friends and colleague, they told use the static choice function still I face this problem. If u know please tell me?
what is user variable in affinium campaign? and some real time examples.
Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?
what is the difference between MOLAP and ROLAP?
What is ods (operation data source)?
Explain how are the dimension tables designed?
What is Time Series algorithm in data mining?
Compare aggregates and data marts
Explain what are the different types of data warehousing?
how to find unique records in informatica level