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Multilayer database system structure

A database, multi-level technology, applied in the field of database system structure, can solve problems such as incompatibility of database data formats

Inactive Publication Date: 2006-12-13
CAXA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0028] (3) When the database version changes, the data format of the database may not be compatible

Method used

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Experimental program
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Embodiment Construction

[0053] Please refer to figure 2 . figure 2 It is a schematic diagram of the multi-level database system 100 of the present invention. The multi-level database system 100 includes an index data layer 200 , a plurality of dynamic data layers 300 and an entity data layer 400 . Among them, the multi-level database system 100 is connected with the application program through the index data layer 200 , and the index data layer 200 and the plurality of dynamic data layers 300 are also connected with the entity data layer 400 . The entity data layer 400 includes a plurality of clusters 410 , and a data table 430 for recording entity data is included in the clusters 410 . The index data layer 200 and the dynamic data layers 300 include a plurality of index data tables 210 for recording index data. The index data table 210 and the index data recorded therein are generated by the application program according to the search condition of the application program. The index data layer ...

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Abstract

The provided database system and building method to overcome upgrade risk of database comprise: with lots of hierarchical database structures, holding original data and integrality of database; when needs not to alter entity of data structure, using the index data layer to implement search, creation, delete and modification.

Description

technical field [0001] The invention relates to a database system structure, in particular to a multi-level database system structure suitable for database upgrading. Background technique [0002] In recent years, with the rapid development of multimedia technology, spatial database technology and computer network, the development of database system is very rapid, and the application fields are becoming wider and wider, such as administrative management of enterprise units, government departments, office automation, enterprise production plan management, bank Financial management, hospital ward medical record management, library management, weather forecast, geographic information system (GIS), e-commerce, etc. are all inseparable from the database system. On the one hand, some relatively mature technologies, such as various large, medium, small and microcomputer database management systems and some traditional database design methods have been put into application; on the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 高裕翔苏汉良叶志强叶金宽
Owner CAXA TECH
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