What is the difference between snowflake and star schema?
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What are the different types of data warehousing?
Where the data cube technology is used?
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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Difference between ODS and Staging
Explain about core dimension,
what is indexing ? what are different types of indexes supported by oracle ?
How can Oracle Materialized Views be used to speed up data warehouse queries?
Explain what are conformed dimensions?
Difference between e-r modeling and dimentional modeling?
Explain bus schema?
What are the data types present in bo?
What is defined as partial backup?