Data query method, device and system

A data query and data technology, applied in the field of communication, can solve the problems of no portability and the query system cannot be changed, and achieve the effect of increasing query flexibility and saving costs.

Inactive Publication Date: 2008-09-24
HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The query system provided by the prior art cannot be changed after it is established, and has no portability

Method used

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  • Data query method, device and system
  • Data query method, device and system
  • Data query method, device and system

Examples

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Embodiment Construction

[0024] An embodiment of the present invention provides a data query method, comprising: receiving a query command corresponding to the query name; according to the query command, obtaining a structured query statement SQL statement corresponding to the query name; the SQL statement is generated according to the query element , the query element is the table structure of the database as the query object; the table structure includes a table name; using the SQL statement, the data in the table corresponding to the table name is obtained from the database as the query object . The query method provided by the embodiment of the present invention can be applied to multiple query scenarios, which increases the flexibility of query, and does not need to develop corresponding query systems according to different query scenarios, saving the cost of redevelopment.

[0025] refer to figure 1 , Embodiment 1 of the present invention provides a data query method, the method comprising:

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Abstract

The invention discloses a data query method which includes: a query instruction used for receiving a corresponding query nomenclature; according to the query instruction, an SQL sentence of structural query sentences corresponding to the query nomenclature is obtained; the SQL sentence generates according to a query element which is taken as a table structure of a data base of the query object; the table structure comprises a table name; and the SQL sentence is used for acquiring data in the table corresponding to the table name from the database which is used as the query object. The technical proposal provided by the invention can be applied to various query scenes. Corresponding query systems are not required to be developed according to different query scenes, thus saving the cost for further development.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a data query method, device and system. Background technique [0002] Due to the rapid development of the Internet, web applications have become the mainstream of today's development. It has been widely used to access the underlying database data through the web. The prior art provides a method for querying underlying database data. After the query system receives the query conditions input by the user on the web interface, it combines Structured Query Language (Structured Query Language, SQL) technology to query the underlying data and display search result. For example, some resume query systems use this query method. When users look for resumes, they must enter some query conditions, such as the place they want to apply for, their current location, and their working years. [0003] During the research and practice of the prior art, the inventor found the following pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 邹贤文
Owner HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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