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I will present a seminar on this topic. Basically flexible reporting is where the user requires reports: There are two types of Reprting a)Uniform Reporting Perfomance:This reporting performance be not sigificantly degraded by increasing the number of dimensions or database size.Infact it is suggest that increasing the number of dimensions or data size does not affect perfomance siginficantly in fully pre-calculated database. 2)Auotmatic Adjustment of Physical level:This basically where OLAP system adjust its physical schema automatically to adapt to the type of model,data volumes and sparsity.
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Prof. Ashay Dharwadker