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Method and device for high-performance query of database

A technology of data query and query method, applied in the database field, can solve the problem of low processing efficiency of data query request, and achieve the effect of improving the efficiency of data query

Inactive Publication Date: 2014-10-22
RUN TECH CO LTD BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the physical IO of the system hard disk takes a certain amount of time, the processing efficiency of the existing database system for data query requests is low

Method used

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  • Method and device for high-performance query of database
  • Method and device for high-performance query of database

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

[0021] Figure 1 to Figure 3 A first embodiment of the invention is shown.

[0022] figure 1 It is a flow chart of the high-performance query method of the database provided by the first embodiment of the present invention. The high-performance query method of the database is executed by the high-performance query device of the database. The high-performance query device of the database is integrated in a client terminal for querying data in the database. see figure 1 , the high-performance query method of the database in...

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Abstract

An embodiment of the invention discloses a method and device for high-performance query of a database. The method for high-performance query of the database comprises the steps of storing to-be-stored data in a buffer area of a system memory by executing data definition language (DDL); and enquiring about the data in the buffer area by executing data query language (DQL). According to the method and device for high-performance query of the database, data query efficiency of a database system can be remarkably improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of databases, in particular to a high-performance query method and device for a database. Background technique [0002] A database is a warehouse that organizes, stores and manages data according to its data structure. The concept of database was born in the 1960s. With the development of information technology and time, especially the vigorous development of the Internet in recent years, database technology has also been widely used. Today, most applications deploy database systems in the background. [0003] Existing database systems usually store data on the system hard disk when storing data, and when users need to query the data in the database system, they need to read data from the system hard disk. Reading data from the system hard disk will cause physical input and output (IO) of the hard disk. Because the physical IO of the system hard disk takes a certain amount of ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/24552G06F16/2433
Inventor 杨宇
Owner RUN TECH CO LTD BEIJING
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