What is data analysis? Where it will be used?
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What is the main difference between schema in rdbms and schemas in datawarehouse?
Why facts table is useful in representing the data?
What is the data type of the surrogate key?
What is Cognos script editor?
What is operational data store (ods)?
Can you describe me a problem you faced when you were trying to load data from R3 system and another system outside sap systems?
What are Aggregate tables?
Advantages of de normalized data?
Explain hybrid slowly changing dimension?
What is core dimension?
Explain what is a cube in data warehousing concept?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.