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What is a root page?

The opposite of a leaf page; it is the highest level index page. An index can contain only the one root page; all other index pages are associated to the root.
Asked by: Interview Candidate | Asked on: Oct 13th, 2004
Showing Answers 1 - 1 of 1 Answers
Sandhya.Kishan

Answered On : Jul 9th, 2012

View all answers by Sandhya.Kishan

The indexes of DB2 are represented using b-tree,the b-trees top page is called as the root page.The root page entries represent the upper range limits of the index and are referenced first in a search.

  
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