What are the different ways to represent the loading of dimension tables?
What is Cognos script editor?
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?
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What is the difference between agglomerative and divisive hierarchical clustering?
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What is an error log table in informatica occurs and how to maintain it in mapping?
What is data warehosuing hierarchy?
What is surrogate key? Where we use it explain with example?
Explain what are the mapping paramaters and maping variables?
What is the difference between Datawarehouse and OLAP?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?