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Pagh et al., 2009 - Google Patents

Secondary indexing in one dimension: beyond b-trees and bitmap indexes

Pagh et al., 2009

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Document ID
4079179754984423143
Author
Pagh R
Satti S
Publication year
Publication venue
Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems

External Links

Snippet

Let∑ be a finite, ordered alphabet, and consider a string x= χ1χ2... χn∈∑ n. A secondary index for x answers alphabet range queries of the form: Given a range [αl, αr]⊆∑, return the set I [αl, αr]={i| χi∈>[αl, αr]}. Secondary indexes are heavily used in relational databases and …
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Classifications

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