Method for controlling document of extensive makeup language (XML) database

An XML database and document technology, applied in the computer field, can solve problems such as inability to use commercial products

CN102819585AInactive Publication Date: 2012-12-12PEKING UNIV FOUNDER GRP CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2012-12-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for controlling an edition of a document of an extensive makeup language (XML) database. According to the technical scheme, the efficient maintenance of data in all editions of an XML document in an XML database management system is realized. In the XML document, just a node which is updated is copied, updated and stored, otherwise, the same node data are adopted by all editions adopt. With the adoption of the method, the XML database management system (DBMS) can easily obtain all edition numbers of a document, all node data in each edition as well as difference between any two editions; the node data which is repeatedly stored is avoided; and the method is convenient and practical.
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Description

technical field

[0001] The invention relates to the field of computer technology, in particular to a version control method for XML database documents. Background technique

[0002] With the continuous in-depth development of the modern information industry, the demand for information integration and sharing has become increasingly urgent. XML (full name Extensible Markup Language) is a markup language specially designed for the internet. The focus of XML is not on the form of data itself, but on the management of data information. Therefore, XML makes it possible to unify different database modes and provides a way for the integration of heterogeneous databases. Therefore, XML has been developed and widely used in recent years. XML database management system (XMLDBMS) is also a new type of database management system that has developed rapidly in recent years. It is a database management system that stores and retrieves XML file data that conforms to W3C standards, and can...

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Embodiment Construction

[0033] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

[0034] Those skilled in the art know that XML data retrieval and update languages ​​are standard XQuery and XQuery Update formulated by W3C. The XQuery series of languages ​​are based on the sequence data model (XDM), that is, any data in XQuery is a sequence, and the sequence is composed of severa...