WO2008109776A3 - Databases and database indexes - Google Patents
Databases and database indexes Download PDFInfo
- Publication number
- WO2008109776A3 WO2008109776A3 PCT/US2008/056095 US2008056095W WO2008109776A3 WO 2008109776 A3 WO2008109776 A3 WO 2008109776A3 US 2008056095 W US2008056095 W US 2008056095W WO 2008109776 A3 WO2008109776 A3 WO 2008109776A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- databases
- database indexes
- index
- indexes
- database
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24553—Query execution of query operations
- G06F16/24554—Unary operations; Data partitioning operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computational Linguistics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
A database system uses indexes to improve performance. The system can use one or more of the following: differentiated sub fields for index clustering; set function calculations to reduce the amount of I/O; and/or using an inferred index in a circular table.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2680217A CA2680217C (en) | 2007-03-06 | 2008-03-06 | A database system with database indexes for improved performance |
US12/553,690 US20100198830A1 (en) | 2008-03-06 | 2009-09-03 | Dynamic data distribution aggregation |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/715,263 | 2007-03-06 | ||
US11/715,279 US20080222080A1 (en) | 2007-03-06 | 2007-03-06 | Inferred index of circular tables in a database |
US11/715,262 US8484220B2 (en) | 2007-03-06 | 2007-03-06 | Clustered index with differentiated subfields |
US11/715,262 | 2007-03-06 | ||
US11/715,279 | 2007-03-06 | ||
US11/715,263 US8412713B2 (en) | 2007-03-06 | 2007-03-06 | Set function calculation in a database |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/553,690 Continuation US20100198830A1 (en) | 2008-03-06 | 2009-09-03 | Dynamic data distribution aggregation |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008109776A2 WO2008109776A2 (en) | 2008-09-12 |
WO2008109776A3 true WO2008109776A3 (en) | 2008-12-18 |
Family
ID=39583764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/056095 WO2008109776A2 (en) | 2007-03-06 | 2008-03-06 | Databases and database indexes |
Country Status (2)
Country | Link |
---|---|
CA (2) | CA2680217C (en) |
WO (1) | WO2008109776A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8484220B2 (en) | 2007-03-06 | 2013-07-09 | Mcafee, Inc. | Clustered index with differentiated subfields |
EP2169565A1 (en) * | 2008-09-30 | 2010-03-31 | BRITISH TELECOMMUNICATIONS public limited company | Data searching |
CN103955505B (en) * | 2014-04-24 | 2017-09-26 | 中国科学院信息工程研究所 | A kind of event method of real-time and system based on microblogging |
EP3485421B1 (en) * | 2016-08-12 | 2020-07-15 | ALTR Solutions, Inc. | Fragmenting data for the purposes of persistent storage across multiple immutable data structures |
CN111427883A (en) * | 2020-02-18 | 2020-07-17 | 深圳壹账通智能科技有限公司 | Data processing method and device based on AeroPike, computer equipment and storage medium |
CN111831659B (en) * | 2020-07-09 | 2022-09-06 | 天津车之家数据信息技术有限公司 | Index checking method and device and computing equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5822749A (en) * | 1994-07-12 | 1998-10-13 | Sybase, Inc. | Database system with methods for improving query performance with cache optimization strategies |
US20030195898A1 (en) * | 2002-04-15 | 2003-10-16 | International Business Machines Corporation | Multidimensional disk clustering scheme for query processing and maintenance in relational databases |
-
2008
- 2008-03-06 CA CA2680217A patent/CA2680217C/en active Active
- 2008-03-06 WO PCT/US2008/056095 patent/WO2008109776A2/en active Application Filing
- 2008-03-06 CA CA2958369A patent/CA2958369C/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5822749A (en) * | 1994-07-12 | 1998-10-13 | Sybase, Inc. | Database system with methods for improving query performance with cache optimization strategies |
US20030195898A1 (en) * | 2002-04-15 | 2003-10-16 | International Business Machines Corporation | Multidimensional disk clustering scheme for query processing and maintenance in relational databases |
Non-Patent Citations (2)
Title |
---|
BARAGOIN C ET AL: "Up and running with DB2 UDB ESE Partitioning for Performance in an e-Business Intelligence World Chapter 4", IBM REDBOOKS, February 2003 (2003-02-01), XP002487958, ISBN: 9780738429304, Retrieved from the Internet <URL:http://www.redbooks.ibm.com/redbooks/pdfs/sg246917.pdf> [retrieved on 20080709] * |
GARCIA-MOLINA ET AL: "Database Systems The Complete Book International Edition", 2002, PEARSON-PRENTICE HALL, UPPER SADDLE RIVER, NEW JERSEY 07458, USA, XP002488124 * |
Also Published As
Publication number | Publication date |
---|---|
CA2680217A1 (en) | 2008-09-12 |
WO2008109776A2 (en) | 2008-09-12 |
CA2958369A1 (en) | 2008-09-12 |
CA2680217C (en) | 2017-06-13 |
CA2958369C (en) | 2021-02-09 |
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