Database dynamic management method based on XML metadata

A dynamic management and metadata technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of disconnection between metadata management and system functions, data integrity and security difficulties, etc., to achieve enhanced flexibility and Scalability, simplified design process, good integration effect

Inactive Publication Date: 2012-10-03
CORTOI GIS TECH CHENGDU
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  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (3) The interface between metadata modules and system functions: At present, the disconnection between metadata management and system functions is very serious

Method used

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  • Database dynamic management method based on XML metadata
  • Database dynamic management method based on XML metadata
  • Database dynamic management method based on XML metadata

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0033] Such as Figure 1-Figure 5 Shown, the present invention comprises the following steps:

[0034] 1. Organize the XML storage structure, define the expression content of the nodes, including custom business rules:

[0035] Define the granularity according to the scope of dynamic database management required, and list the content to be managed.

[0036] Create an XML document structure. According to the information collected in the previous step, define the node information of XML. Metadata is the data describing the data, here is to use XML structure and nodes to describe the business data in the database in detail, including name, type, size, initial value, database table name, table space, permission level, business relationship ID, remarks And so on.

[0037] A common XML structure such as:

[0038]

[0039]

[0040] Utilize this canonical infrastr...

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Abstract

The invention discloses a database dynamic management method based on XML (extensible markup language) metadata. The method comprises the following steps: 1, organizing an XML storage structure and defining XML node information including user-defined business rules; 2, building a metadata analysis engine; 3, building a business dispatch execution engine; 4, building an interface for calling data by an external program; 5, and importing and exporting business data. The whole database structure is described from the perspective of businesses, all metadata in a database and the whole structure are stored in an XML, and by the analysis engine and the execution engine which are combined with the structure, the database can be directly operated by the substituted engines; the design process of the system database is simplified, the flexibility and the expansibility of the database design are simultaneously enhanced, the integration with the outer system is better, and great convenience is provided for data exchange, particularly complicated business data exchange.

Description

technical field [0001] The invention relates to a database dynamic management method, in particular to a database dynamic management method based on XML metadata. Background technique [0002] With the development of database and software, the storage of data in the database is no longer a problem, but as the business development in each software system becomes more and more complex, the relationship between data business tables is intricate, how to have a great impact on the system database structure Good description and management have become another important issue of data storage in the software development process. [0003] For the data of general small-scale business systems, the business is relatively simple, the amount of data is small, and the demand for data exchange is weak, so it is not difficult for database management. In the face of large-scale systems, the current management methods are mostly based on ordinary documents or simple charts. These methods canno...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 卢远宗赵勇梁宇君萧阳黎东辉吉桂昕江飞张文韬
Owner CORTOI GIS TECH CHENGDU
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