indexing

From: ginanjar <ginjirokato(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: indexing
Date: 2009-10-26 01:45:38
Message-ID: 4AE4FF42.5020509@gmail.com
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I work on my thesis on spatial database indeksing using Btree n GiST.
Can you help to explain how the GiST and btree indexing work in
postgresql ( the algorithm ) ? Can somone show me how to write code to
know the tree level and count the root and leaf ?
thanks for the information n help .

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