Given a database of all tolls collected in NJ road system, devise a scheme to answer queries of the form: extract sum of all tolls collected in a given time interval. Use a Toll data type that implements the Comparable interface, where the key is the time that the toll was collected.
Suggest a good author for Hyperion in data warehousing?
What is static and local variable?
What is metadata in context of a Datawarehouse and how it is important?
What is surrogate key? where we use it explain with example?
What are the Data Marts?
Explain What are the vaious ETL tools in the Market?
Explain the definition of normalized and denormalized view and what are the differences between them?
How can we acheive Correlated sub-query in Designer?can anyone help me in this regard?
We want to restrict top 26 rows ... in report is there any rownum object from which we can do this?
What are steps we have to follow in designing the userfriendly Universe?
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