Data migration method, data migration device and data migration system

A data and database technology, applied in the field of data processing, can solve the problem that relational database data cannot be directly migrated, and achieve the effects of smooth migration, improved efficiency, and smooth switching

Active Publication Date: 2012-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to differences in data models, data in relational databases cannot be directly migrated to non-relational databases

Method used

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  • Data migration method, data migration device and data migration system
  • Data migration method, data migration device and data migration system
  • Data migration method, data migration device and data migration system

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0024] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0025] see figure 1 , providing a flow chart of a data migration method for Embodiment 1 of the present invention, the method comprising:

[0026] Step 101: Obtain the relational database table SCHEMA information from the relational database;

[0027] One acquisition process is that the SCHEMA mapping engine first sends a request for acquiring SCHEMA information to the relational database; and receives the SCHEMA information fed back by the relat...

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Abstract

The invention provides a data migration method, a data migration device and a data migration system. The method comprises the steps of acquiring SCHEMA information of a relation database table from the relation database, mapping the SCHEMA information into a XML model of a non-relation database and recording the corresponding mapping relation in a mapping relation table, Based on the mapping relation table, the data of the relation database is guided in the XML model of a non-relation database. The invention resolves the technical problem of smoothly transferring the data in the relation database to the non-relation database, which achieves the smooth switching of business data.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a data migration method, a data migration device and a data migration system. Background technique [0002] With the expansion of the scope of database applications, the functions of relational databases have been expanded, but the complexity and cost of use have also increased significantly. Many applications do not require the complex functions of relational databases, and at the same time are limited by the data model of relational databases and cannot be optimized in a targeted manner. Especially with the development of web2.0 business and the rapid increase of network content, new demands have been placed on the database system. These demands require the database to have massive storage and concurrency, elastic expansion, high reliability, high availability, low cost, and flexible tables. Structure and other characteristics, however, traditional relational databases...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F17/30917G06F17/303G06F16/214G06F16/86
Inventor 李丽娟
Owner HUAWEI TECH CO LTD
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