Explain the difference between keylokup and joiner?
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What is aggregate fact table?
What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Start a batches with in a batch?
What is data analysis?
Explain if a flat file cotains 1000 records how can I get first and last records only?
Is union transormation is active transformation?
how do you use commit frequencies? how does it affect loading performance?
What is bi?
Difference between slicing and dicing with example?
If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
What is loop in data warehousing?
What is the main difference between inmon and kimball philosophies of data warehousing?