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    • 1. 发明申请
    • SYSTEM, METHOD, AND PROGRAM PRODUCT FOR INTEGRATING DATABASES
    • 用于集成数据库的系统,方法和程序产品
    • US20080306904A1
    • 2008-12-11
    • US11926504
    • 2007-10-29
    • Takeshi FukudaRyoji KurosawaMasahiro Ohkawa
    • Takeshi FukudaRyoji KurosawaMasahiro Ohkawa
    • G06F17/30
    • G06F17/30557G06F17/30545
    • A system for integrating databases comprises a first virtual table, a second virtual table, a common table, a list, a generating section, and a selecting section. The first virtual table corresponds to a first data. The second virtual table corresponds to a second data. The common table is associated with the first and second virtual tables. The list indicates information about associations between the first and second virtual tables and the common table. The generating section generates two or more access plans from a database query on the common table. The two or more access plans involve at least one of the first and second virtual tables in accordance with the list. The selecting section selects one of the two or more access plans generated by the generating section to be used to execute the database query.
    • 用于集成数据库的系统包括第一虚拟表,第二虚拟表,公用表,列表,生成部分和选择部分。 第一虚拟表对应于第一数据。 第二虚拟表对应于第二数据。 公用表与第一个和第二个虚拟表相关联。 该列表指示关于第一和第二虚拟表与公用表之间的关联的信息。 生成部分从公用表上的数据库查询生成两个或多个访问计划。 两个或多个访问计划涉及根据列表的第一和第二虚拟表中的至少一个。 选择部分选择由生成部分生成的用于执行数据库查询的两个或多个访问计划之一。
    • 2. 发明授权
    • Integrating databases
    • 集成数据库
    • US08965912B2
    • 2015-02-24
    • US11926504
    • 2007-10-29
    • Takeshi FukudaRyoji KurosawaMasahiro Ohkawa
    • Takeshi FukudaRyoji KurosawaMasahiro Ohkawa
    • G06F17/30
    • G06F17/30557G06F17/30545
    • A system for integrating databases comprises a first virtual table, a second virtual table, a common table, a list, a generating section, and a selecting section. The first virtual table corresponds to a first data. The second virtual table corresponds to a second data. The common table is associated with the first and second virtual tables. The list indicates information about associations between the first and second virtual tables and the common table. The generating section generates two or more access plans from a database query on the common table. The two or more access plans involve at least one of the first and second virtual tables in accordance with the list. The selecting section selects one of the two or more access plans generated by the generating section to be used to execute the database query.
    • 用于集成数据库的系统包括第一虚拟表,第二虚拟表,公用表,列表,生成部分和选择部分。 第一虚拟表对应于第一数据。 第二虚拟表对应于第二数据。 公用表与第一个和第二个虚拟表相关联。 该列表指示关于第一和第二虚拟表与公用表之间的关联的信息。 生成部分从公用表上的数据库查询生成两个或多个访问计划。 两个或多个访问计划涉及根据列表的第一和第二虚拟表中的至少一个。 选择部分选择由生成部分生成的用于执行数据库查询的两个或多个访问计划之一。
    • 5. 发明申请
    • INFORMATION PROCESSOR, INFORMATION PROCESSING SYSTEM, DATA ARCHIVING METHOD, AND DATA DELETION METHOD
    • 信息处理器,信息处理系统,数据存档方法和数据删除方法
    • US20120173491A1
    • 2012-07-05
    • US13418487
    • 2012-03-13
    • Masahiro Ohkawa
    • Masahiro Ohkawa
    • G06F17/30
    • G06F17/00G06F13/00G06F17/30G06F17/30377G06F17/3056
    • An information processor may include a command receiving unit that receives an immediate processing command in which a deletion target to be deleted from the database is conditioned, and a registration processing unit that registers information defining the deletion target into a management data unit. In addition, the information processor may include a deletion processing unit that deletes the deletion target from a database, and deregisters the deleted deletion target from the management data unit. The information processor can also include a data manipulation command processing unit, which, in the case where a data manipulation command having a manipulation target that coincides with a table of the deletion target registered in the management data unit is received, processes the data manipulation command in a state where a condition to exclude the deletion target from the manipulation target is added to the data manipulation command.
    • 信息处理器可以包括命令接收单元,其接收其中要从数据库中删除的删除目标被调节的立即处理命令;以及注册处理单元,其将定义删除目标的信息登记到管理数据单元中。 此外,信息处理器可以包括删除处理单元,其从数据库中删除删除目标,并且从管理数据单元注销已删除的删除目标。 信息处理器还可以包括数据操作命令处理单元,在接收到具有与登记在管理数据单元中的删除目标的表一致的操作对象的数据操作命令的情况下,处理数据操作命令 在从操作对象排除删除对象的条件被附加到数据操作命令的状态下。