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A Cross-platform Database Access Method

An access method and database technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of incompatibility and inflexibility, and achieve the effect of simplifying the process of verification operation and improving verification efficiency

Inactive Publication Date: 2017-07-28
XIAN UNIV OF TECH
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  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a cross-platform database access method to solve the problem that the existing technology is not flexible enough and cannot be used universally

Method used

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  • A Cross-platform Database Access Method

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] Explanation of self-defined concepts involved in the present invention:

[0035] 1. Unified query language UQL: Unified Query Language, unified query language. This definition is a high-level summary of the core idea of ​​the present invention. When accessing the database during the development process, it is necessary to write the database statement to achieve the access requirement. At present, the more general SqlServer statement is used as the syntax model for the time being, that is, in When writing a database statement, what is actually written is a SqlServer statement, but the statement can be converted into other database statements expressing the same access intent, so it can be understood as a unified query language, called a unified query language UQL statement.

[0036] 2. Pattern: Each database language completes ...

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Abstract

A cross-platform database access method comprises the steps that UQL is initialized; UQL statements are written; the UQL statements are preprocessed; whether grammar judgment is conducted is determined; formalization packaging is conducted on corresponding grammars, and XML expressions are generated; the XML expressions are analyzed to obtain corresponding parameters; according to the obtained parameters, target database types of the UQL statements and access types of the UQL statements are extracted, and parameter filling and executing are conducted on a selected corresponding basis module; formalization packaging is conducted on an executed result, and return is conducted. According to the method, the inner service method is no longer a target specific method but is a simple procedure in which a universal analysis executing module omits a service direct calling method in past at an iOS client, and the purpose of data access is achieved through data access statements.

Description

technical field [0001] The invention belongs to the technical field of database access methods, and relates to a cross-platform database access method. Background technique [0002] With the continuous improvement of the popularity of mobile terminals, terminal application development has also become a hot spot, which brings great convenience to people's life, work and study, and the iOS (Apple's handheld device operating system) platform is one of them. The largest platform with a strong presence in the world of mobile development. Although the development of iOS applications is based on the iOS platform, it often requires the support of a background server. Most of the servers are based on other operating system platforms, so there are a lot of cross-platform server access problems. [0003] The method currently used is mainly to use WebService (network service) for server access. WebService is a general model for building applications that can be implemented and run in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/832
Inventor 王磊曹龙叶晓辉费蓉黑新宏
Owner XIAN UNIV OF TECH
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