What are data modeling and data mining? Where it will be used?
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How are models actually derived?
What is type 2 version dimension?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
Explain what are the different types of data warehousing?
What are the data types present in bo? What happens if we implement view in the designer n report?
Explain what are the tasks that loadmanger process will do?
How to limit the max no of rows retrieved in the report?
What Oracle features can be used to optimize my Warehouse system?
What is a full backup?
How can you import tables from a database?
In a star schema, are foreign key constraints between facts and dimensions neccessary?
what is indexing ? what are different types of indexes supported by oracle ?