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Oracle Business Intelligence 11g R1 Cookbook by Cuneyt Yilmaz

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Creating calculations by using the time series functions

It's very important to enable end users to compare the business performance with previous time periods. By achieving this, end users will understand the business better. Business users need to make these comparisons across multiple time periods.

For example, let's assume that business users are asking for the sales amount of this month and the sales amount for last month. Most probably, they're looking forward to comparing these two values and seeing the difference. Here is one method:

  • Calculate the sales amount of this month: This can be achieved by one query
  • Calculate the sales amount of last month: This is another query
  • Calculate the difference between these months: This will be the last ...

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