How to improve session performance in aggregator transformation?
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What is surrogate key? Where we use it? Explain with examples.
What should I have in mind when building olap solution from scratch?
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.
What is execution plan?
does anyone "QlikView" BI tool. if you have any docs send me pls. yaparas84@gmail.com
Explain what are the basic needs to join two sources in a source qualifier?
What is an OLAP (On-line Analytical processing) system?
Explain difference between view and materialized view?
In document how to create metrics?
Why do we use DSS database for OLAP tools?
What is the main difference between inmon and kimball philosophies of data warehousing?
Teradata 
