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    • 1. 发明授权
    • Apparatus and system for reducing locking in materialized query tables
    • 用于减少物化查询表中锁定的装置和系统
    • US08112414B2
    • 2012-02-07
    • US12200674
    • 2008-08-28
    • James P. BatesJonathan SloanCalisto P. Zuzarte
    • James P. BatesJonathan SloanCalisto P. Zuzarte
    • G06F7/00G06F17/30
    • G06F17/30362G06F17/30377
    • Disclosed is an apparatus and system for reducing locking in materialized query tables (MQT) for distributive functions. The apparatus includes an insert module that inserts into an MQT table a child record when a new record is inserted into a base table associated with the MQT. The child record includes values associated with the insert operation. Also included is a delete module that inserts into the MQT a child record that includes measure values that are the negative of the measure values in the base table row that is the subject of the delete operation. An update module inserts two child rows into the MQT, one negating the affected record and the other adding the values of the update operation. Each inserted child row includes a unique identifier that relates the inserted row to a parent row. An execution module generates responses using the values indicated by the cumulative records in a family.
    • 公开了用于减少用于分配功能的物化查询表(MQT)中的锁定的装置和系统。 该装置包括插入模块,当将新记录插入到与MQT相关联的基表中时,插入到MQT表中的子记录。 子记录包括与插入操作相关联的值。 还包括一个删除模块,将删除模块插入到包含测量值的子记录中,该测量值是作为删除操作主题的基表行中度量值的负值。 更新模块将两个子行插入到MQT中,一个对待受影响的记录,另一个添加更新操作的值。 每个插入的子行包含将插入的行与父行相关联的唯一标识符。 执行模块使用家庭中累积记录指示的值生成响应。
    • 2. 发明申请
    • APPARATUS AND SYSTEM FOR REDUCING LOCKING IN MATERIALIZED QUERY TABLES
    • 用于减少材料查询表中的锁定的装置和系统
    • US20100057670A1
    • 2010-03-04
    • US12200674
    • 2008-08-28
    • James P. BatesJonathan SloanCalisto P. Zuzarte
    • James P. BatesJonathan SloanCalisto P. Zuzarte
    • G06F17/30
    • G06F17/30362G06F17/30377
    • Disclosed is an apparatus and system for reducing locking in materialized query tables (MQT) for distributive functions. The apparatus includes an insert module that inserts into an MQT table a child record when a new record is inserted into a base table associated with the MQT. The child record includes values associated with the insert operation. Also included is a delete module that inserts into the MQT a child record that includes measure values that are the negative of the measure values in the base table row that is the subject of the delete operation. An update module inserts two child rows into the MQT, one negating the affected record and the other adding the values of the update operation. Each inserted child row includes a unique identifier that relates the inserted row to a parent row. An execution module generates responses using the values indicated by the cumulative records in a family.
    • 公开了用于减少用于分配功能的物化查询表(MQT)中的锁定的装置和系统。 该装置包括插入模块,当将新记录插入到与MQT相关联的基表中时,插入到MQT表中的子记录。 子记录包括与插入操作相关联的值。 还包括一个删除模块,将删除模块插入到包含测量值的子记录中,该测量值是作为删除操作主题的基表行中度量值的负值。 更新模块将两个子行插入到MQT中,一个对待受影响的记录,另一个添加更新操作的值。 每个插入的子行包含将插入的行与父行相关联的唯一标识符。 执行模块使用家庭中累积记录指示的值生成响应。