How do you create surrogate key using ab initio?
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how much memory space occupied real time project (roughly)?
What is the goal of optimizer?
What is data warehosuing hierarchy?
Explain what are the tasks that loadmanger process will do?
When should one use an MD-database (multi-dimensional database) and not a relational one?
Explain what is fact less fact table? Where you have used it in your project?
How to pivot data using informatica when you have variable amount of pivot rows?
Can we take backup when the database is opened?
Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
if source contain 10records how you identify header and footer
What is DTM session?
wht is degenerated dimension ?it's uses?