What is virtual warehouse
Explain what do you mean by the virtual warehouse?
Expert
A virtual warehouse is defined as the group of views over the operational databases. For proficient query processing, only some of the possible summary views may be materialized. A virtual warehouse is easy to form however need excess capability on the operational database servers.
Briefly describe the term dimension tables and fact tables?
What is an Operational Data Store?
How many modes are there in Business objects and Designer?
Briefly explain the batch processing in Business Objects?
Elucidate briefly what is the mapping variables and mapping parameters?
Explain the way to shrink a Database?
Briefly describe time series algorithm in data mining?
Another company used statistic in reports is the total number of orders placed by a shopper. Complete the following steps to create a function named NUM_PURCH_SF that accepts a shopper id and returns the total number of orders the shopper has placed. Use the function in a SELECT statement to display
Write a short note on the differences between vertical and horizontal portioning?
Explain the various types of stages?
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