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
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[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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