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    • 1. 发明申请
    • High Performance Index Creation
    • 高性能指标创造
    • US20150032758A1
    • 2015-01-29
    • US13953341
    • 2013-07-29
    • Peter SchneiderMing-li RuiSantosh PendapLeon Xiong
    • Peter SchneiderMing-li RuiSantosh PendapLeon Xiong
    • G06F17/30
    • G06F17/30336G06F17/30321G06F17/30864
    • High performance index creation using parallel query plans with repartitioning scan and vector-based repartitioning scan is described. An example method includes extracting index key columns from data rows of the database table to build a set of index rows, wherein the index on the database table is defined by a plurality of index key columns including a first index key column and a second index key column. Partition boundary values are generated to divide up the index rows into range-partitioned sets, and the index rows are sorted based on values of the index key columns. A repartitioning scan, including a SARG-based or a vector-based partitioning scan is performed on the index rows, using a plurality of worker threads executing in parallel to build sub-indexes. Subsequently, each range-partitioned set of index rows are assigned to a worker thread in the plurality of worker threads. Accordingly, the sub-indexes generated from the plurality of work threads are merged to build the index for the database table.
    • 描述了使用重新分区扫描和向量重新分区扫描的并行查询计划的高性能索引创建。 示例性方法包括从数据库表的数据行中提取索引关键字列以构建一组索引行,其中数据库表上的索引由包括第一索引关键字列和第二索引关键字的多个索引关键字列定义 柱。 生成分区边界值,以将索引行分成范围分区集,并根据索引键列的值对索引行进行排序。 使用并行执行的多个工作线程来构建子索引,对索引行执行重新分区扫描,包括基于SARG或基于向量的分区扫描。 随后,将每个范围分隔的索引行集合分配给多个工作线程中的工作线程。 因此,从多个工作线程生成的子索引被合并以构建数据库表的索引。
    • 2. 发明授权
    • High performance index creation
    • 高性能指标创建
    • US09489411B2
    • 2016-11-08
    • US13953341
    • 2013-07-29
    • Peter SchneiderMing-li RuiSantosh PendapLeon Xiong
    • Peter SchneiderMing-li RuiSantosh PendapLeon Xiong
    • G06F17/30
    • G06F17/30336G06F17/30321G06F17/30864
    • High performance index creation using parallel query plans with repartitioning scan and vector-based repartitioning scan is described. An example method includes extracting index key columns from data rows of the database table to build a set of index rows, wherein the index on the database table is defined by a plurality of index key columns including a first index key column and a second index key column. Partition boundary values are generated to divide up the index rows into range-partitioned sets, and the index rows are sorted based on values of the index key columns. A repartitioning scan, including a SARG-based or a vector-based partitioning scan is performed on the index rows, using a plurality of worker threads executing in parallel to build sub-indexes. Subsequently, each range-partitioned set of index rows are assigned to a worker thread in the plurality of worker threads. Accordingly, the sub-indexes generated from the plurality of work threads are merged to build the index for the database table.
    • 描述了使用重新分区扫描和向量重新分区扫描的并行查询计划的高性能索引创建。 示例性方法包括从数据库表的数据行中提取索引关键字列以构建一组索引行,其中数据库表上的索引由包括第一索引关键字列和第二索引关键字的多个索引关键字列定义 柱。 生成分区边界值,以将索引行分成范围分区集,并根据索引键列的值对索引行进行排序。 使用并行执行的多个工作线程来构建子索引,对索引行执行重新分区扫描,包括基于SARG或基于向量的分区扫描。 随后,将每个范围分隔的索引行集合分配给多个工作线程中的工作线程。 因此,从多个工作线程生成的子索引被合并以构建数据库表的索引。
    • 5. 发明授权
    • Client-side statement cache
    • 客户端语句缓存
    • US08832143B2
    • 2014-09-09
    • US12970243
    • 2010-12-16
    • Ghazi Nourdine BenadjaoudPeter Schneider
    • Ghazi Nourdine BenadjaoudPeter Schneider
    • G06F17/30
    • G06F17/30864G06F17/30457G06Q30/02
    • Embodiments include a method, apparatus and computer program product for providing instructions from a database client to a database server. The method includes the steps of receiving from a database a representation of a first instruction and an associated identifier. The representation of the first instruction and the associated identifier are stored in a cache. A second instruction, from an application, is matched with the representation of the first instruction stored in the cache. The associated identifier is retrieved from the cache based on the matching and the associated identifier is sent to the database server. Upon receipt of the associated identifier, the database server executes the first instruction.
    • 实施例包括用于从数据库客户机向数据库服务器提供指令的方法,装置和计算机程序产品。 该方法包括以下步骤:从数据库接收第一指令和相关标识符的表示。 第一指令和相关联的标识符的表示被存储在高速缓存中。 来自应用的第二条指令与存储在高速缓存中的第一条指令的表示相匹配。 基于匹配从高速缓存检索相关联的标识符,并将相关联的标识符发送到数据库服务器。 在接收到相关联的标识符之后,数据库服务器执行第一条指令。
    • 9. 发明授权
    • Kit adapted for use in a vehicle glove compartment box
    • 适用于车辆手套箱的套件
    • US08056710B2
    • 2011-11-15
    • US11780306
    • 2007-07-19
    • Peter SchneiderGarland Keith Grady
    • Peter SchneiderGarland Keith Grady
    • B65D71/12B65D85/38
    • B60R7/06Y10T29/49826
    • This invention relates to a kit and methods adapted for use in a vehicle glove compartment box, which provides assistance in various vehicular scenarios related to traffic tickets, DWIs, car wrecks, avoiding repossessions, and using lemon laws. The kit includes a container, camera, and booklet and is small enough to fit conveniently inside a vehicle glove box. The booklet contains sequential step-by-step instructions to assist the user with the vehicular scenarios and is written in a simple and easy-to-read format that does not require a legal dictionary to decipher. In simpler terms, the present invention provides common sense tips to help protect one's legal rights.
    • 本发明涉及一种适用于车辆手套箱箱的工具箱和方法,其提供与交通票,DWI,汽车残骸,避免收回以及使用柠檬法相关的各种车辆场景中的协助。 该套件包括容器,照相机和小册子,并且尺寸足够小以方便地在车辆手套箱内。 该小册子包含顺序的逐步说明,以帮助用户使用车辆场景,并以简单易读的格式编写,不需要合法字典进行解密。 简单来说,本发明提供了有助于保护他人的合法权利的常识技巧。