Mechanism for improving performance on XML over XML data using path subsetting
    1.
    发明申请
    Mechanism for improving performance on XML over XML data using path subsetting 有权
    使用路径子集提高XML数据的性能的机制

    公开(公告)号:US20060184551A1

    公开(公告)日:2006-08-17

    申请号:US11401613

    申请日:2006-04-10

    IPC分类号: G06F17/00 G06F7/00

    CPC分类号: G06F17/30938 G06F17/30321

    摘要: Techniques are provided for indexing XML documents using path subsetting. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents using user-defined criteria. The user-defined criteria are used to determine which nodes of XML documents to included in The PATH TABLE. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. Use of the user defined criteria is transparent to any query improves DML indexes overhead costs.

    摘要翻译: 提供了使用路径子集对XML文档进行索引的技术。 根据一个实施例,创建用于使用用户定义的标准为XML文档的每个索引节点存储一行的PATH表。 用户定义的标准用于确定要包含在PATH TABLE中的XML文档的哪些节点。 节点的PATH表行包括(1)用于定位包含节点的XML文档的信息,(2)标识节点路径的信息,以及(3)标识分层结构中节点位置的信息 的包含节点的XML文档。 使用用户定义的条件对任何查询都是透明的,改善了DML索引的开销成本。

    Mechanism for improving performance on XML over XML data using path subsetting
    2.
    发明授权
    Mechanism for improving performance on XML over XML data using path subsetting 有权
    使用路径子集提高XML数据的性能的机制

    公开(公告)号:US07885980B2

    公开(公告)日:2011-02-08

    申请号:US11401613

    申请日:2006-04-10

    IPC分类号: G06F17/30

    CPC分类号: G06F17/30938 G06F17/30321

    摘要: Techniques are provided for indexing XML documents using path subsetting. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents using user-defined criteria. The user-defined criteria are used to determine which nodes of XML documents to included in The PATH TABLE. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. Use of the user defined criteria is transparent to any query improves DML indexes overhead costs.

    摘要翻译: 提供了使用路径子集对XML文档进行索引的技术。 根据一个实施例,创建用于使用用户定义的标准为XML文档的每个索引节点存储一行的PATH表。 用户定义的标准用于确定要包含在PATH TABLE中的XML文档的哪些节点。 节点的PATH表行包括(1)用于定位包含节点的XML文档的信息,(2)标识节点路径的信息,以及(3)标识分层结构中节点位置的信息 的包含节点的XML文档。 使用用户定义的条件对任何查询都是透明的,改善了DML索引的开销成本。

    Isolation for applications working on shared XML data
    3.
    发明授权
    Isolation for applications working on shared XML data 有权
    用于共享XML数据的应用程序的隔离

    公开(公告)号:US08510292B2

    公开(公告)日:2013-08-13

    申请号:US11442106

    申请日:2006-05-25

    IPC分类号: G06F7/00 G06F17/30

    摘要: A mechanism is provided for detecting and disregarding application specific nodes contained in shared XML documents. The techniques described involve determining one or more application specific nodes within XML documents and performing path expression evaluations of the XML documents as if the nodes are not present. In one embodiment, a mechanism is provided by which a user may specify the criterion that determines which subset of nodes in XML documents are to be ignored from path expression evaluations. A query that specifies a path operation based on a path is evaluated ignoring said identified nodes when evaluating said path operation.

    摘要翻译: 提供了一种用于检测和忽略包含在共享XML文档中的应用程序特定节点的机制。 所描述的技术涉及确定XML文档内的一个或多个应用特定节点,并且如同节点不存在一样执行XML文档的路径表达式评估。 在一个实施例中,提供了一种机制,用户可以通过该机制指定确定XML文档中的节点的哪个子集将被从路径表达式评估中被忽略的标准。 在评估所述路径操作时,忽略指定基于路径的路径操作的查询,忽略所述标识的节点。

    Isolation for applications working on shared XML data
    4.
    发明申请
    Isolation for applications working on shared XML data 有权
    用于共享XML数据的应用程序的隔离

    公开(公告)号:US20070276792A1

    公开(公告)日:2007-11-29

    申请号:US11442106

    申请日:2006-05-25

    IPC分类号: G06F17/30 G06F7/00 G06F17/00

    摘要: A mechanism is provided for detecting and disregarding application specific nodes contained in shared XML documents. The techniques described involve determining one or more application specific nodes within XML documents and performing path expression evaluations of the XML documents as if the nodes are not present. In one embodiment, a mechanism is provided by which a user may specify the criterion that determine which subset of node in XML documents are to be ignored from path expression evaluations and evaluating a query that specifies a path operation based on a path and ignoring said identified nodes when evaluating said path operation.

    摘要翻译: 提供了一种用于检测和忽略包含在共享XML文档中的应用程序特定节点的机制。 所描述的技术涉及确定XML文档内的一个或多个应用特定节点,并且如同节点不存在一样执行XML文档的路径表达式评估。 在一个实施例中,提供了一种机制,用户可以通过该机制指定确定XML文档中的节点的哪个子集将被从路径表达式评估中忽略的标准,并且基于路径评估指定路径操作的查询,并忽略所述标识的 节点在评估所述路径操作时。