What is surrogate key? Where we use it explain with example?
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for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
What are algorithms provided by Microsoft in SQL Server?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
Advantages of de normalized data?
Explain the difference between data ware house & data mart?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
I need to set predefined condition. How I do this?
Explain differences between star and snowflake schemas?
explain about balanced dimension,
How to use the tool Ontobulider
How can you set the session management?
Explain how to get the first 100 rows from the flat file into the target?