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145 | <section> |
145 | <section> |
146 | <title>B+trees</title> |
146 | <title>B+trees</title> |
147 | 147 | ||
148 | <indexterm> |
148 | <indexterm> |
149 | <primary>B-tree</primary> |
149 | <primary>B-trees</primary> |
- | 150 | <secondary> - B+tree</secondary> |
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150 | </indexterm> |
151 | </indexterm> |
151 | 152 | ||
152 | <para>HelenOS makes use of a variant of B-tree called B+tree. B+trees, in |
153 | <para>HelenOS makes use of a variant of B-tree called B+tree. B+trees, in |
153 | HelenOS implementation, are 3-4-5 balanced trees. They are characteristic |
154 | HelenOS implementation, are 3-4-5 balanced trees. They are characteristic |
154 | by the fact that values are kept only in the leaf-level nodes and that |
155 | by the fact that values are kept only in the leaf-level nodes and that |