MySQL UDF for creating, manipulating and querying FastBit indexes ##About these UDF Functions and FastBit FastBit is a data store which implements WAH (word aligned hybrid) bitmap indexes. These UDF create, modify and query FastBit tables. The UDF treats a single directory on the filesystem as one FastBit table. Inside of the FastBit table/directory are directories representing partitions. The par
The document discusses various indexing techniques used to improve data access performance in databases, including ordered indices like B-trees and B+-trees, as well as hashing techniques. It covers the basic concepts, data structures, operations, advantages and disadvantages of each approach. B-trees and B+-trees store index entries in sorted order to support range queries efficiently, while hash
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2022/02: FastBit source moved to github 2011/10: DBLunch seminar 2010/7: FastBit in nProbe 2009/9: FastBit in SciDAC review 2008/12: ASCR Disvovery article 2008/07: R&D 100 award 2007/08: FastBit speed up drug discovery tool 2006/03: Prove formal optimality [Draft] 2005/05: Grid Collector wins ISC Award. 2004/12: WAH patent issued. FastBit is an open-source data processing library following the sp
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Bitmap Index – when to use it?
