What are the various transformation available?
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How Materialized Views are linked with Oracle DataWare house?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?
Explain have you ever been in a real dilemma at work? What did you do to get out of it?
What are CUBES?
Explain bus schema?
What needs to be done when the database is shutdown?
What is Operational Data Store?
Why should you put your data warehouse on a different system than your oltp system?
if we increase the number of dimensions will the rows in fact table increase or decrease??
1.WHAT IS DATA MART ?
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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Explain where do we use semi and non additive facts?