Method and device for integrating a plurality of databases

A technology of database and pre-determined layers, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as increasing troubles for users, achieve the effect of reducing the amount of searches and being easy to use

Inactive Publication Date: 2015-03-18
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This situation adds a lot of trouble to the user

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  • Method and device for integrating a plurality of databases
  • Method and device for integrating a plurality of databases
  • Method and device for integrating a plurality of databases

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Embodiment Construction

[0013] The embodiments of the present application will now be described in more detail with reference to the accompanying drawings. The example embodiments are provided to make this application more detailed and to fully convey the scope of protection to those skilled in the art. Numerous specific details such as specific components and device examples are described to provide a detailed understanding of the implementation of the present application. It will be obvious to those skilled in the art that the example embodiments can be implemented in many different forms without necessarily using these specific details, so they should not be construed as limiting the scope of the application. In addition, the elements and features described in one drawing or one embodiment of the present invention may be combined with the elements and features shown in one or more other drawings or embodiments. In some example embodiments, well-known procedures, structures, and technologies are no...

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Abstract

The invention provides a method and a device for integrating a plurality of databases. The method comprises the following step that: multilayer virtual headers are generated on the basis of a plurality of entity headers of the plurality of databases, wherein each attribute of each layer of the header corresponds to at least one attribute of the next layer of the header. According to the method and the device, the plurality of databases are associated through the virtual headers, so that the access on the plurality of databases is realized in a unified way by using the virtual headers. In addition, the virtual headers are the multilayer virtual headers, only partial databases need to be searched instead of all of the databases for specific keyboards through adopting a header layering corresponding mode, and the searching quantity is reduced.

Description

Technical field [0001] This application relates to a method and device for integrating multiple databases. Background technique [0002] Currently, most applications involve data from multiple different data sources. When there are multiple databases at the bottom of the application, if users want to obtain data that meets a certain condition, they need to write different query statements according to the conditions and query them one by one in all the bottom databases. This situation adds a lot of trouble to users. Summary of the invention [0003] The embodiment of the present application provides a method and device for integrating multiple databases, which enables users to write query sentences based on a unified virtual header, which is convenient to use. [0004] An embodiment of the present application provides a method for integrating multiple databases, including: generating a multi-layer virtual header based on multiple entity headers of the multiple databases; wherein, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/256
Inventor 黄琦珍钟朝亮张军上原忠弘
Owner FUJITSU LTD
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