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    • 5. 发明授权
    • System and method for performance complex heterogeneous database queries using a single SQL expression
    • 使用单个SQL表达式执行复杂异构数据库查询的系统和方法
    • US06341277B1
    • 2002-01-22
    • US09289020
    • 1999-04-09
    • Anna Rosa CodenJoAnn Piersa BreretonMichael Stephen Schwartz
    • Anna Rosa CodenJoAnn Piersa BreretonMichael Stephen Schwartz
    • G06F1730
    • G06F17/30451Y10S707/99932Y10S707/99933Y10S707/99934Y10S707/99935
    • Query objects are created by a client process. The query objects have one or more sub-query objects and one or more execute methods that are capable of operating on their respective query object to produce one or more query expressions. All of the execute methods are capable of producing the respective query expression that is compatible with a structured query language. A compound query contains one or more boolean expressions of one or more of the query objects. The compound query has one or more compound execute methods which invoke one or more the execute methods of each of the query objects. Each of the execute methods returns their respective query expression and the compound execute method uses one or more common table expressions to combine the query expressions to form a single compound query expression that represents the boolean expression. This single expression can be execute against a database to return a result without executing any of the query expressions against the database individually.
    • 查询对象由客户端进程创建。 查询对象具有一个或多个子查询对象和一个或多个能够在其各自的查询对象上操作以产生一个或多个查询表达式的执行方法。 所有执行方法都能够产生与结构化查询语言兼容的相应查询表达式。 复合查询包含一个或多个查询对象的一个​​或多个布尔表达式。 复合查询具有一个或多个复合执行方法,它们调用每个查询对象的一个​​或多个执行方法。 每个执行方法都返回其各自的查询表达式,复合执行方法使用一个或多个常用表表达式组合查询表达式以形成表示布尔表达式的单个复合查询表达式。 该单个表达式可以针对数据库执行以返回结果,而不对数据库单独执行任何查询表达式。
    • 7. 发明授权
    • Data abstraction layer for a database
    • 数据库的数据抽象层
    • US07231396B2
    • 2007-06-12
    • US10626273
    • 2003-07-24
    • Naga A. AyachitulaJoAnn Piersa BreretonAdarsh GuptaMichael Stephen Schwartz
    • Naga A. AyachitulaJoAnn Piersa BreretonAdarsh GuptaMichael Stephen Schwartz
    • G06F17/00G06F7/00
    • G06F17/30557Y10S707/99933Y10S707/99942Y10S707/99943
    • An abstraction layer (50) is provided for facilitating accessing a database (10) containing database records each including a plurality of fields stored in one or more tables (12, 14). The abstraction layer (50) includes a control table (52) containing control records corresponding to database fields. Each control record contains metadata associated with the corresponding database field. The abstraction layer (50) also includes at least one additional table (54, 56, 58, 60, 62, 64, 66, 70, 72, 74, 80) containing additional metadata. Each database field is selectively associated with one or more selected portions of the additional metadata through metadata contained in the control record corresponding to the database field. A user database application (30) accesses the database (10) using metadata obtained from the abstraction layer (50).
    • 提供抽象层(50)以便于访问包含数据库记录的数据库(10),每个数据库记录包括存储在一个或多个表(12,14)中的多个字段。 抽象层(50)包括包含对应于数据库字段的控制记录的控制表(52)。 每个控制记录包含与相应数据库字段相关联的元数据。 抽象层(50)还包括至少一个包含附加元数据的附加表(54,56,58,60,62,64,66,70,72,74,80)。 每个数据库字段通过与数据库字段相对应的控制记录中包含的元数据选择性地与附加元数据的一个或多个所选部分相关联。 用户数据库应用程序(30)使用从抽象层(50)获得的元数据来访问数据库(10)。
    • 10. 发明授权
    • Application-aware system that dynamically partitions and allocates resources on demand
    • 根据需要动态分区和分配资源的应用感知系统
    • US07430741B2
    • 2008-09-30
    • US10761184
    • 2004-01-20
    • Naga A. AyachitulaShu-Ping ChangJames S. LipscombMichael Stephen Schwartz
    • Naga A. AyachitulaShu-Ping ChangJames S. LipscombMichael Stephen Schwartz
    • G06F9/46G06F15/173
    • G06F9/50G06F9/5016
    • The present invention is an application-aware method for allocating resources to applications based on a set of predefined policies comprising a Resource Allocation Program (RAP). The RAP is application-aware in that the RAP does not arbitrarily allocate resources to requesting applications. Instead, the RAP allocates resources to requesting applications based on predefined policies. The RAP allows a user to define the resource allocation for each policy in a Resource Allocation Table and associate the applications with the policies in a Policy Application Table. When an application requests resources, the RAP looks to the Policy Allocation Table to determine the policy associated with the application and looks to the Resource Allocation Table to determine the permissible amount of resources to allocate to the application associated with the policy. The RAP then allocates the resources to the requesting application.
    • 本发明是一种用于基于包括资源分配程序(RAP)的一组预定义策略向应用分配资源的应用感知方法。 RAP是应用程序感知的,因为RAP不会将资源任意分配给请求的应用程序。 相反,RAP会根据预定义的策略为请求的应用程序分配资源。 RAP允许用户为资源分配表中的每个策略定义资源分配,并将应用程序与策略应用程序表中的策略相关联。 当应用程序请求资源时,RAP查找策略分配表以确定与应用程序相关联的策略,并查看资源分配表,以确定分配给与策略关联的应用程序的资源的允许量。 RAP然后将资源分配给请求的应用程序。