NDLI: Extensible indexing: a framework for integrating domain-specific indexing schemes into Oracle8i

Content Provider	IEEE Xplore Digital Library
Author	Srinivasan, J. Murthy, R. Sundara, S. Agarwal, N. DeFazio, S.
Copyright Year	2000
Description	Author affiliation: Oracle Corp., Redwood Shores, CA, USA (Srinivasan, J.)
Abstract	Extensible indexing is a SQL-based framework that allows users to define domain-specific indexing schemes, and integrate them into the Oracle8i server. Users register a new indexing scheme, the set of related operators, and additional properties through SQL data definition language extensions. The implementation for an indexing scheme is provided as a set of Oracle Data Cartridge Interface (ODCIIndex) routines for index-definition, index-maintenance, and index-scan operations. An index created using the new indexing scheme, referred to as domain index, behaves and performs analogous to those built natively by the database system. The Oracle8i server implicitly invokes user-supplied index implementation code when domain index operations are performed, and executes user-supplied index scan routines for efficient evaluation of domain-specific operators. This paper provides an overview of the framework and describes the steps needed to implement an indexing scheme. The paper also presents a case study of Oracle Cartridges (intermedia text, spatial, and visual information retrieval), and Daylight (Chemical compound searching) Cartridge, which have implemented new indexing schemes using this framework and discusses the benefits and limitations.
Starting Page	91
Ending Page	100
File Size	73233
Page Count	10
File Format	PDF
ISBN	0769505066
ISSN	10636382
DOI	10.1109/ICDE.2000.839396
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-03-03
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexing Relational databases Spatial databases Identity-based encryption Database systems Image databases Audio databases Indexes Arithmetic Query processing
Content Type	Text
Resource Type	Article

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