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    • 81. 发明申请
    • Index Compression In Databases
    • 数据库中的索引压缩
    • US20100114843A1
    • 2010-05-06
    • US12258861
    • 2008-10-27
    • Daniel James FARRARPeter BumbulisNathan Michael Auch
    • Daniel James FARRARPeter BumbulisNathan Michael Auch
    • G06F17/00
    • G06F17/30336G06F17/30327G06F17/3033G06F17/30949G06F17/30955
    • Systems, methods and computer program products for compression of database indexes are described herein. A system embodiment includes a sequence determiner to scan a database index and to determine a start of a range and end of a range of consistently changing values in one or more index pages of said database index and an index updater to update said database index based on a sequence determined by said sequence determiner, while suspending writing of one or more values that lie within start of said range and end of said range of values. A method embodiment includes scanning an index, determining a pattern of changing values in one or more index pages of said index and selectively updating said index based on said determining step to minimize index insertions. The method embodiment further includes determining a start of a range of values and an end of said range of values in an index page, setting appropriate bits to identify said start of range of values and end of range of values, determining if an entry to be inserted can appended to at the end of said range of values, and compressing said index by suspending writing of one or more values that occur between said start of range of values and said end of range of values.
    • 本文描述了用于压缩数据库索引的系统,方法和计算机程序产品。 系统实施例包括:序列确定器,用于扫描数据库索引并确定所述数据库索引的一个或多个索引页中的一致变化值范围和范围的开始;以及索引更新器,用于基于 所述序列由所述序列确定器确定,同时暂停写入所述范围的所述范围的开始和所述值范围的结束之中的一个或多个值。 方法实施例包括扫描索引,确定在所述索引的一个或多个索引页中改变值的模式,并且基于所述确定步骤选择性地更新所述索引以最小化索引插入。 方法实施例还包括确定索引页中值的范围的开始和所述值范围的结束,设置适当的位以识别值的范围的开始和值的范围的结束,确定条目是否为 插入可以附加到所述值的范围的结尾,并且通过暂停在值的范围的所述开始和所述值的范围的结束之间发生的一个或多个值的写入来压缩所述索引。
    • 83. 发明授权
    • Flip-flap mechanism for high availability, online analytical processing databases
    • 翻转机构用于高可用性,在线分析处理数据库
    • US07353231B1
    • 2008-04-01
    • US11256526
    • 2005-10-21
    • Hossein EslambolchiJohn McCanuelPrakash Vasa
    • Hossein EslambolchiJohn McCanuelPrakash Vasa
    • G06F17/30G06F7/00G06F12/00
    • G06F17/30955G06F17/30241G06F17/30592G06F17/30595Y10S707/958Y10S707/99933Y10S707/99953
    • A method for maintaining high availability for an on-line database which includes: creating a first user account having a plurality of first tables and first schema objects; creating a second user account having a plurality of second tables and second schema objects; creating a third user account having a first set of synonyms for the first tables and first schema objects; creating a fourth user account having a second set of synonyms for the second tables; accessing the first user account using the first set of synonyms; modifying data using the second set of synonyms into the second user account to provide a plurality of revised second tables and revised second schema objects; dropping the first set of synonyms; creating a third set of synonyms in the third user account for the plurality of revised second tables and revised second schema objects; and accessing the second user account using the third set of synonyms.
    • 一种用于维持在线数据库的高可用性的方法,包括:创建具有多个第一表和第一模式对象的第一用户帐户; 创建具有多个第二表和第二模式对象的第二用户帐户; 创建具有第一表和第一模式对象的第一组同义词的第三用户帐户; 创建具有第二表的第二组同义词的第四用户帐户; 使用第一组同义词访问第一个用户帐户; 使用所述第二组同义词将数据修改到所述第二用户帐户中以提供多个修订的第二表和修订的第二模式对象; 删除第一组同义词; 在所述第三用户帐户中为所述多个修订的第二表和修订的第二模式对象创建第三组同义词; 以及使用第三组同义词访问第二用户帐户。
    • 84. 发明授权
    • Data entry, cross reference database and search systems and methods thereof
    • 数据输入,交叉参考数据库和搜索系统及其方法
    • US07225197B2
    • 2007-05-29
    • US10284240
    • 2002-10-31
    • Larry E. LissarGreg CarsonKendall GravenMichael Graven
    • Larry E. LissarGreg CarsonKendall GravenMichael Graven
    • G06F7/00
    • G06F17/30604G06F17/30955Y10S707/99933Y10S707/99943
    • A method and system unifying existing data of a target industry from existing sources of the data by designing a data model by applying varying data integrity methods to define characteristics, features and/or functions of items in the target industry as data elements, electronically reading, parsing and transforming data from existing electronic data sources of the target industry to input to the data model, designing user interfaces to the data model, the user interfaces corresponding to user segments of the target industry, and dynamically maintaining normalization of the data model according to the varying data integrity methods during any type of access to the data model by the user segments. A data entry access to the data model comprises dynamically constructing search indexes, each search index defined as a unique data field and a text searchable concatenation of other fields' data in any given data table of the data model.
    • 一种方法和系统,通过使用变化的数据完整性方法设计数据模型来将目标行业的现有数据与现有数据源统一起来,以定义目标行业中的项目的特征,特征和/或功能作为数据元素,电子阅读, 从目标行业的现有电子数据源解析和转换数据,以输入数据模型,设计数据模型的用户界面,与目标行业的用户段对应的用户界面,以及根据目标行业用户界面动态维护数据模型的归一化 在用户段对数据模型的任何类型的访问期间的变化的数据完整性方法。 对数据模型的数据录入访问包括动态地构建搜索索引,将每个搜索索引定义为数据模型的任何给定数据表中的唯一数据字段和其他字段数据的文本可搜索连接。
    • 85. 发明申请
    • Storage system for randomly named blocks of data
    • 随机命名的数据块的存储系统
    • US20060112112A1
    • 2006-05-25
    • US11246897
    • 2005-10-06
    • Norman MargolusEdwin OlsonMichael SclafaniJ. CoburnMichael Fortson
    • Norman MargolusEdwin OlsonMichael SclafaniJ. CoburnMichael Fortson
    • G06F7/00
    • G06F17/30955G06F17/30949Y10S707/99933Y10S707/99934Y10S707/99942Y10S707/99943
    • A method for constructing an index suitable for indexing a large set of records identified by long generally randomly distributed record names, and for answering membership queries about the set, the method comprising adding a new record to the set and assigning the new record a new record name using a process designed to produce names where at least a portion of each name is at least approximately random, determining that the new record name is not already represented in the index by checking a first level index, combining the new record name with record name information already represented in the index to form a combined record name which is shorter than the new record name, and adding the combined record name to the first level index to form a new first level index entry that represents the new record, wherein the first level index does not contain information sufficient to conclude that the new record name has been added to the index, wherein each different record in the set is assigned a different record name, wherein at least a portion of the first level index is ordered based on record names.
    • 一种用于构建索引的索引的方法,所述索引适用于对由长一般随机分布的记录名称所识别的大量记录进行索引,以及用于回答关于该集合的成员关系查询,所述方法包括向该集合添加新记录并向新记录分配新记录 使用被设计为产生名称的过程的名称,其中每个名称的至少一部分至少近似为随机的,通过检查第一级索引,将新记录名称与记录名称组合来确定新记录名称尚未在索引中表示 已经在所述索引中表示的信息以形成比所述新记录名称更短的组合记录名称,以及将所述组合记录名称添加到所述第一级索引以形成表示所述新记录的新的第一级索引条目,其中所述第一级别 索引不包含足以得出结论,新记录名称已被添加到索引的信息,其中集合中的每个不同的记录是屁股 点燃了不同的记录名称,其中基于记录名称对第一级索引的至少一部分进行排序。
    • 86. 发明授权
    • Data processing method, computer readable recording medium, and data processing device
    • 数据处理方法,计算机可读记录介质和数据处理装置
    • US06973454B2
    • 2005-12-06
    • US10811389
    • 2004-03-29
    • Mutsumi Fujihara
    • Mutsumi Fujihara
    • G06F12/00G06F17/30
    • G06F17/30955Y10S707/99931Y10S707/99937
    • The object of the present invention is to provide a data processing method, a computer readable recording medium, and a data processing device with which it is possible to compactly store and surely and easily retrieve data items having overlapping portions. In the data processing method used for sorting and storing a plurality of data records for the purpose of retrieval, the field values used as sort keys are stored in storage areas indicated by pointers. In such a case, it is possible to distinguish records having the same field value but representing different information items without adding extra keys by using not only field values but also pointers as keys.
    • 本发明的目的是提供一种数据处理方法,计算机可读记录介质和数据处理装置,通过该数据处理装置可以紧凑地存储并且可靠且容易地检索具有重叠部分的数据项。 在用于分类和存储用于检索的多个数据记录的数据处理方法中,用作排序键的字段值被存储在由指针指示的存储区域中。 在这种情况下,可以区分具有相同字段值但代表不同信息项的记录,而不需要通过不仅使用字段值而且通过使用指针作为键来添加额外的键。