Show that, if only left-deep join trees are considered, as in the System R optimizer, the time

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Show that, if only left-deep join trees are considered, as in the System R optimizer, the time taken to find themost efficient join order is around n2n.Assume that there is only one interesting sort order.

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 29, 2011 01:42 AM

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Show that, if only left-deep join trees are considered, as in the System R optimizer, the time

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The derivation of time taken is similar to the general ...View the full answer

Database System Concepts

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