What are templates in which way it is help full?
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What are loops in Datawarehousing?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
Explain the different types of data warehousing?
What is surrogate key? Where we use it explain with example?
Explain is fact table?
Is union transormation is active transformation?
What is pre-emptive and non-pre-emptive?
Which are the olap tools available that are supported by oracle?
Explain in detail abt measure objects? And what is the use of it? How to create it?
What is staging area?
What are cursors?
Can any one explain the hierarchies level data warehousing.