Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun computing An indexed
data structure suitable for storage of a large number of items in abalanced fashion, with very few disk hits required for locating the correct record block.
Etymologies
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Examples
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This study does highlight the fact that a chosen option does not necessarily dictate or limit the scale as long as the other attributes such as an effective parallelism algorithm, B-tree indices, main-memory computation, compression etc. can help achieve the desired scale.
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Since the difference I've identified between B-tree indexes and Fractal tree indexes is the disk seeks on insertions, it may seem that there's little to look at in this case.
Planet MySQL 2010
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A nonclustered index is a smaller ancillary index (also a B-tree) that is used to store the clustered index key and any other columns that are needed to provide quick retrieval.
Site Home 2010
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In SQL Server, a clustered index is a B-tree (a storage algorithm for optimal retrieval) of the keys that are used in the clustered index definition, with the data stored at the bottom or leaf level of the B-tree.
Site Home 2010
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It attempts to index according to the best use for a given database, instead of defaulting to B-tree sorting.
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I'll explain how Fractal Trees work, and show why they can get one to two orders of magnitude speedup on insertions compared to B-tree indexes.
Planet MySQL Tokuview Blog 2010
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MapReduce in Practice • Abstract input and output interfaces - lots of MR operations don't just read/write simple files • B-tree files • memory-mapped key-value stores • complex inverted index file formats • BigTable tables • SQL databases, etc.
Recently Uploaded Slideshows longhao 2010
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It attempts to index according to the best use for a given database, instead of defaulting to B-tree sorting.
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I have tried running Disk Utility from the installation CD several times, and using fsck in single-user mode to try to rebuild the Catalog B-tree, all to no avail.
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It attempts to index according to the best use for a given database, instead of defaulting to B-tree sorting.
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