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    • 33. 发明授权
    • Query optimization in a multi-tenant database system
    • 多租户数据库系统中的查询优化
    • US08423535B2
    • 2013-04-16
    • US12760975
    • 2010-04-15
    • Craig WeissmanDave MoellenhoffSimon WongPaul Nakada
    • Craig WeissmanDave MoellenhoffSimon WongPaul Nakada
    • G06F17/30
    • G06F21/6218G06F17/30442G06F17/30536Y10S707/99932Y10S707/99933Y10S707/99934Y10S707/99935Y10S707/99938Y10S707/99939
    • The present invention provides techniques for storing information on a multi-tenant database system to control query latency that includes a method that stores the information on the database among a plurality of tables arranged in columns and rows. For each of a subset of the plurality of tables, sets of the rows are distributed amongst different storage nodes on the database, with the set of rows stored at a common node having a common index value. Data storage and retrieval capabilities to the database are provided to allow access to the information, in response to requests from one of a plurality of remotely disposed computer systems. The retrieval capability includes a query condition that includes a query index value, with the query condition and the query index value being established to control retrieval latency. Also disclosed is a machine-readable medium carrying one or more sequences of instructions for storing information on a multi-tenant database system to control query latency when executed by one or more processors and cause the one or more processors to carry out steps of the method. A data center for storing information on a multi-tenant database system to control query latency is also disclosed that carries-out the functions of the method.
    • 本发明提供了用于存储关于多租户数据库系统的信息以控制查询延迟的技术,所述查询延迟包括在多个以列和行排列的表之间的数据库上存储信息的方法。 对于多个表的子集中的每一个,行的集合分布在数据库上的不同存储节点之间,该组行存储在具有公共索引值的公共节点上。 提供数据的数据存储和检索能力以便响应于来自多个远程处理的计算机系统之一的请求来访问信息。 检索能力包括查询条件,包括查询索引值,查询条件和查询索引值被建立以控制检索延迟。 还公开了一种机器可读介质,其携带用于在多承租人数据库系统上存储信息的一个或多个指令序列,以在由一个或多个处理器执行时控制查询延迟,并使一个或多个处理器执行该方法的步骤 。 还公开了一种用于存储关于多租户数据库系统以控制查询延迟的信息的数据中心,其执行该方法的功能。
    • 38. 发明授权
    • Distributive storage techniques for multi-tenant databases
    • 多租户数据库的分布式存储技术
    • US08131713B2
    • 2012-03-06
    • US12759866
    • 2010-04-14
    • Craig WeissmanDave MoellenhoffSimon WongPaul Nakada
    • Craig WeissmanDave MoellenhoffSimon WongPaul Nakada
    • G06F17/30
    • G06F21/6218G06F17/30442G06F17/30536Y10S707/99932Y10S707/99933Y10S707/99934Y10S707/99935Y10S707/99938Y10S707/99939
    • The present invention provides techniques for managing information on a multi-tenant database system. In one embodiment a method comprises storing the information on the database among a plurality of tables. The plurality of tables is arranged in columns and rows. Each of a subset of the plurality of tables has sets of the rows distributed amongst different storage nodes on the database. A first of the sets is located at a first node, and a second of the sets is located a second node. Data storage and retrieval capabilities are provided to the database, including access to the information, in response to requests from one of a plurality of remotely disposed computer systems. Also disclosed is a machine-readable medium carrying one or more sequences of instructions for managing computer applications when executed by one or more processors and cause the one or more processors to carry out steps of the method. A data center for managing information on a multi-tenant database is also disclosed that carries-out the functions of the method.
    • 本发明提供了一种管理多租户数据库系统信息的技术。 在一个实施例中,一种方法包括将数据库上的信息存储在多个表中。 多个表以列和行排列。 多个表中的每个子集具有分布在数据库上的不同存储节点之间的行集合。 集合中的第一个位于第一节点处,并且第二集合位于第二节点。 响应于来自多个远程布置的计算机系统之一的请求,向数据库提供数据存储和检索能力,包括对信息的访问。 还公开了一种机器可读介质,其携带用于在由一个或多个处理器执行时管理计算机应用程序的一个或多个指令序列,并使一个或多个处理器执行该方法的步骤。 还公开了一种用于管理多租户数据库的信息的数据中心,其执行该方法的功能。