Method and mechanism for efficient access to nodes in XML data
    1.
    发明申请
    Method and mechanism for efficient access to nodes in XML data 审中-公开
    有效访问XML数据中的节点的方法和机制

    公开(公告)号:US20050055629A1

    公开(公告)日:2005-03-10

    申请号:US10656097

    申请日:2003-09-05

    IPC分类号: G06F17/00 G06F17/30

    CPC分类号: G06F16/84

    摘要: Disclosed is a method and mechanism for accessing XML data. In one approach, in the case of a schema based document, the structure of the XML document is known apriori and this information can be exploited to store and retrieve the data more efficiently. A Named Access interface or procedure can be defined and associated with elements of the schema. The need for datatype conversions can be eliminated by allowing direct mapping to the intended datatype or the closest matching datatype in the system to which the invention is directed. The storage information can be exploited to provide “direct” access to data based on offset in lieu of a linear traversal. Another aspect is that only the relevant portions need to be even loaded into memory.

    摘要翻译: 公开了一种访问XML数据的方法和机制。 在一种方法中,在基于模式的文档的情况下,XML文档的结构是已知的,并且可以利用该信息来更有效地存储和检索数据。 命名访问接口或过程可以定义并与模式的元素相关联。 可以通过直接映射到本发明所针对的系统中的预期数据类型或最接近的匹配数据类型来消除对数据类型转换的需要。 可以利用存储信息来提供基于偏移代替线性遍历的“直接”访问数据。 另一方面是只有相关部分需要被均匀地加载到存储器中。

    Loadable units for lazy manifestation of XML documents
    2.
    发明授权
    Loadable units for lazy manifestation of XML documents 有权
    用于懒惰表现XML文档的可加载单元

    公开(公告)号:US07092967B1

    公开(公告)日:2006-08-15

    申请号:US10256777

    申请日:2002-09-27

    IPC分类号: G06F17/30

    摘要: Described herein is a system for “lazy” manifestation of XML documents. In lazy manifestation, only portions of an XML document that contain data of interest (e.g., a particular element or attribute requested by an application) are manifested. The term “manifesting a portion of an XML document” refers to creating an in-memory representation of the portion and incorporating it into existing in-memory representation of an XML document, if any. These portions are referred to herein as a loadable unit. A loadable unit is a set of one or more nodes in an XML document, where when there is need to manifest a node in the set, other nodes in the loadable unit are manifested too. Loadable units may, but not necessarily, correlate to content structures that store the nodes. A loadable unit may be the nodes whose content is contained in a row.

    摘要翻译: 这里描述了一种用于“懒惰”显示XML文档的系统。 在懒惰表现中,仅显示包含感兴趣的数据的XML文档的部分(例如,应用所请求的特定元素或属性)。 术语“呈现XML文档的一部分”是指创建该部分的内存中表示,并将其并入XML文档的现有内存中表示(如果有的话)。 这些部分在这里被称为可装载单元。 可加载单元是XML文档中的一个或多个节点的集合,其中当需要在集合中显示节点时,可显示可加载单元中的其他节点。 可加载单元可以但不一定与存储节点的内容结构相关联。 可装载单元可以是其行为中包含内容的节点。

    Query modes for translation-enabled XML documents
    5.
    发明授权
    Query modes for translation-enabled XML documents 有权
    支持翻译的XML文档的查询模式

    公开(公告)号:US08078611B2

    公开(公告)日:2011-12-13

    申请号:US11648950

    申请日:2007-01-03

    IPC分类号: G06F17/30

    CPC分类号: G06F17/30938 G06F17/30932

    摘要: Systems, methods, and other embodiments associated with providing query modes for translation-enabled XML documents are described. One method embodiment includes receiving an XPath query to an XML document that may store a translation for a data element. The method embodiment may also include automatically selecting a query mode for the XPath query. The method embodiment may also include querying the XML document using the XPath query and the selected query mode. The query mode may control, at least in part, the operation of an XML database logic.

    摘要翻译: 描述了与为支持翻译的XML文档提供查询模式相关联的系统,方法和其他实施例。 一种方法实施例包括:向可能存储数据元素的翻译的XML文档接收XPath查询。 方法实施例还可以包括自动选择XPath查询的查询模式。 方法实施例还可以包括使用XPath查询和所选择的查询模式查询XML文档。 至少部分地,查询模式可以控制XML数据库逻辑的操作。

    Query modes for translation-enabled XML documents
    7.
    发明申请
    Query modes for translation-enabled XML documents 有权
    支持翻译的XML文档的查询模式

    公开(公告)号:US20080162442A1

    公开(公告)日:2008-07-03

    申请号:US11648950

    申请日:2007-01-03

    IPC分类号: G06F7/00

    CPC分类号: G06F17/30938 G06F17/30932

    摘要: Systems, methods, and other embodiments associated with providing query modes for translation-enabled XML documents are described. One method embodiment includes receiving an XPath query to an XML document that may store a translation for a data element. The method embodiment may also include automatically selecting a query mode for the XPath query. The method embodiment may also include querying the XML document using the XPath query and the selected query mode. The query mode may control, at least in part, the operation of an XML database logic.

    摘要翻译: 描述了与为支持翻译的XML文档提供查询模式相关联的系统,方法和其他实施例。 一种方法实施例包括:向可能存储数据元素的翻译的XML文档接收XPath查询。 方法实施例还可以包括自动选择XPath查询的查询模式。 方法实施例还可以包括使用XPath查询和所选择的查询模式查询XML文档。 至少部分地,查询模式可以控制XML数据库逻辑的操作。

    Client processing for binary XML in a database system
    8.
    发明申请
    Client processing for binary XML in a database system 有权
    客户端处理数据库系统中的二进制XML

    公开(公告)号:US20070208752A1

    公开(公告)日:2007-09-06

    申请号:US11601118

    申请日:2006-11-16

    IPC分类号: G06F17/30

    摘要: Techniques are provided for encoding/decoding binary XML data in a client program before sending/receiving the XML to/from a database server. By encoding the binary XML at the client, the overhead of parsing the XML text is avoided by the database server, thus improving database server scalability. Also, the XML data is sent by the server to the client in the binary form, and the binary format is decoded by the client program to perform the necessary operations.

    摘要翻译: 提供了在向/从数据库服务器发送/接收XML之前,在客户端程序中对二进制XML数据进行编码/解码的技术。 通过在客户端编码二进制XML,数据库服务器可以避免解析XML文本的开销,从而提高数据库服务器的可伸缩性。 此外,XML数据由服务器以二进制形式发送给客户端,二进制格式由客户端程序解码以执行必要的操作。

    Techniques for changing XML content in a relational database
    9.
    发明授权
    Techniques for changing XML content in a relational database 有权
    在关系数据库中更改XML内容的技术

    公开(公告)号:US07386567B2

    公开(公告)日:2008-06-10

    申请号:US10956300

    申请日:2004-09-30

    IPC分类号: G06F17/30

    摘要: Techniques are provided for changing data for an XML construct in an SQL/XML compliant database management system (DBMS). The DBMS allows instances of XML type to represent XML constructs, such as XML documents, XML elements, XML attributes, and fragments of XML documents. An SQL statement is received that includes an XML operator that operates on a particular component in an instance of XML type. During execution of the SQL statement, the XML operator is evaluated by modifying content for the component without modifying the entire instance. For example, an XML delete operator deletes the particular component from the instance. Other XML operators include an insert operator, an insert-before operator, an append-child operator, and an update operator. During execution, these operators may be rewritten to operate on existing SQL constructs, or evaluated by updating only some of the existing SQL constructs, or both.

    摘要翻译: 提供技术用于在符合SQL / XML的数据库管理系统(DBMS)中更改XML构造的数据。 DBMS允许XML类型的实例表示XML构造,例如XML文档,XML元素,XML属性和XML文档片段。 收到一条SQL语句,其中包含一个在XML类型的实例中对特定组件进行操作的XML运算符。 在执行SQL语句期间,通过修改组件的内容而不修改整个实例来评估XML运算符。 例如,XML删除运算符从实例中删除特定组件。 其他XML运算符包括一个插入运算符,一个insert-before运算符,一个append-child运算符和一个update运算符。 在执行期间,这些运算符可能被重写为对现有的SQL结构进行操作,或者只通过更新现有的SQL结构或两者来评估。

    Techniques for changing XML content in a relational database
    10.
    发明申请
    Techniques for changing XML content in a relational database 有权
    在关系数据库中更改XML内容的技术

    公开(公告)号:US20050044113A1

    公开(公告)日:2005-02-24

    申请号:US10956300

    申请日:2004-09-30

    IPC分类号: G06F17/30 G06F17/00

    摘要: Techniques are provided for changing data for an XML construct in an SQL/XML compliant database management system (DBMS). The DBMS allows instances of XML type to represent XML constructs, such as XML documents, XML elements, XML attributes, and fragments of XML documents. An SQL statement is received that includes an XML operator that operates on a particular component in an instance of XML type. During execution of the SQL statement, the XML operator is evaluated by modifying content for the component without modifying the entire instance. For example, an XML delete operator deletes the particular component from the instance. Other XML operators include an insert operator, an insert-before operator, an append-child operator, and an update operator. During execution, these operators may be rewritten to operate on existing SQL constructs, or evaluated by updating only some of the existing SQL constructs, or both.

    摘要翻译: 提供技术用于在符合SQL / XML的数据库管理系统(DBMS)中更改XML构造的数据。 DBMS允许XML类型的实例表示XML构造,例如XML文档,XML元素,XML属性和XML文档片段。 收到一条SQL语句,其中包含一个在XML类型的实例中对特定组件进行操作的XML运算符。 在执行SQL语句期间,通过修改组件的内容而不修改整个实例来评估XML运算符。 例如,XML删除运算符从实例中删除特定组件。 其他XML运算符包括一个插入运算符,一个insert-before运算符,一个append-child运算符和一个update运算符。 在执行期间,这些运算符可能被重写为对现有的SQL结构进行操作,或者只通过更新现有的SQL结构或两者来评估。