Cross-platform database access method

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

Inactive Publication Date: 2014-07-02
XIAN UNIV OF TECH
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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

Method used

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Embodiment Construction

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

[0034] Explanation of the custom concept involved in the present invention:

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

[0036] 2. Shapes: Each database language completes its semantic expression through set ...

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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] As the popularity of mobile terminals continues to increase, terminal application development has also become a hot spot, bringing great convenience to people’s lives, work, and learning, and iOS (Apple’s handheld device operating system) platform is one of them. The largest platform occupies a pivotal position in the field of mobile development. Although iOS application development is based on the iOS platform, it often requires the support of a back-end server. Most of these 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 universal model for building applications, which can be implemented and run in any operating syst...

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Application Information

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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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