Briefly state different between data ware house & data mart?
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Explain what are the advantages and disadvantages of reporting directly against the database?
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
Explain the hierarchies level data warehousing.
What is staging area?
What are the different types of Fatcs? Explain with example only
Suppose we want to display zero when null values coming to report how can we do that?
What are the types of SCD?
How to load the time dimension?
Explain what is the difference between datawarehouse and bi?
What are aggregate tables and aggregate fact tables?
Hi, i want to do certification in datawarehouse?? which certification is best in current trend?? pls mention the cost also if u can....
What is data analytics in simple terms?