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Data base extension method and device

An expansion method and database technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of inflexible systems, high maintenance costs, and heavy maintenance workload

Active Publication Date: 2009-07-08
KINGDEE SOFTWARE(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a database extension method and device to solve the problem that the current database application system expands the application function by modifying the source code, which brings about a large maintenance workload, high maintenance cost, and inflexible system

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Embodiment Construction

[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] In order to solve the problem that the database structure in the business system cannot be dynamically modified according to the application functions, the present invention provides a database expansion method for the relational databases commonly used in applications, which will be illustrated below with examples.

[0030] Still taking the accounting items in the financial system as an example, assuming that there is a subject called "accounts payable", the accounting items that a certain business unit needs to perform accounts payable operations include suppliers, sub-factories, etc., while the general financial system only presets An accounting item of a supplier is specified, that is, only the data sheet corresponding t...

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Abstract

The invention discloses a database expansion method and a device for solving the problems of high maintenance workload, high maintenance cost, and system inflexibility caused by the modification of source code to expand application functions in current database application systems. The method includes: establishing expansion datasheet, the expansion datasheet is used for recording structure description of expanded data; establishing user interactivity interface, through which users edit expansion datasheet; through the interface, the expansion datasheet receives the structural description of expansion data arranged by users; establishing new datasheet in the database according to structural description of the expansion data; receiving expansion data received by users and store them in the new datasheet to complete the expansion of data in the database. Through the method, users can expand or modify database structure in the system dynamically according to changes of application function, thus enhancing the flexibility of the system and lowering the maintenance workload of the system.

Description

technical field [0001] The invention relates to database technology, in particular to a database expansion method and device. Background technique [0002] In business applications, many database application systems cannot dynamically modify the database according to changes in application functions, that is, they do not support dynamic expansion or modification of the database structure. This is because system developers design the database structure according to the application requirements of users (system users) when designing the database. After the application system is developed and put into use, the user cannot easily modify the database structure, that is, the database The functions that the application system can realize are fixed. If the user needs to add new application functions or modify the original functions, the corresponding developers need to add or modify the source code, and compile and test it to meet the user's needs, and the user himself cannot Chan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 邱长毓
Owner KINGDEE SOFTWARE(CHINA) CO LTD
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