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1.
公开(公告)号:US06285996B1
公开(公告)日:2001-09-04
申请号:US09113802
申请日:1998-07-09
申请人: Michelle Mei-Chiou Jou , Daniel Tsunfang Lee , Ping Li , Hsin Pan , Brian Thinh-Vinh Tran , Yun Wang
发明人: Michelle Mei-Chiou Jou , Daniel Tsunfang Lee , Ping Li , Hsin Pan , Brian Thinh-Vinh Tran , Yun Wang
IPC分类号: G06F1730
CPC分类号: G06F17/30312 , G06F17/30483 , G06F17/30492 , Y10S707/99931 , Y10S707/99932 , Y10S707/99933 , Y10S707/99934
摘要: A method, apparatus, and article of manufacture for run-time support for user-defined index ranges and index filters. A statement is executed in a database stored on a data storage device, which is connected to a computer. The database contains data. A search range is generated based on a user-defined range function associated with a user-defined index.
摘要翻译: 用于用户定义的索引范围和索引过滤器的运行时支持的方法,设备和制造。 在存储在连接到计算机的数据存储设备上的数据库中执行语句。 数据库包含数据。 基于与用户定义的索引相关联的用户定义的范围函数生成搜索范围。
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公开(公告)号:US06219662B1
公开(公告)日:2001-04-17
申请号:US09112723
申请日:1998-07-09
申请人: Gene Y. C. Fuh , Stefan Dessloch , Daniel Tsunfang Lee , Ping Li , Nelson Mendonca Mattos , Shahrokh Talmoud , Yun Wang
发明人: Gene Y. C. Fuh , Stefan Dessloch , Daniel Tsunfang Lee , Ping Li , Nelson Mendonca Mattos , Shahrokh Talmoud , Yun Wang
IPC分类号: G06F1730
CPC分类号: G06F17/30327 , G06F17/30483 , Y10S707/99933 , Y10S707/99938 , Y10S707/99943 , Y10S707/99944 , Y10S707/99945 , Y10S707/99953
摘要: A method, apparatus, and article of manufacture for computer-implemented support of database indexes based on a generalized B-tree index. The index is stored in a B-tree on a data storage device connected to a computer. In particular, multiple key sources are processed using key transformation. Then, a plurality of key targets are generated based on the processed key sources.
摘要翻译: 基于广义B树索引的计算机实现的数据库索引支持的方法,装置和制造。 索引存储在连接到计算机的数据存储设备上的B树中。 特别地,使用密钥变换来处理多个密钥源。 然后,基于处理的密钥源生成多个关键目标。
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