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Data query processing system and data query processing method

A data query and processing system technology, applied in the computer field, can solve the problem of poor system scalability and achieve the effect of ensuring scalability

Active Publication Date: 2012-11-21
YONYOU NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, in order to support flexible operations, the query model must be continuously modified with the addition of functions, and the scalability of the system is poor.

Method used

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  • Data query processing system and data query processing method
  • Data query processing system and data query processing method

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Embodiment Construction

[0026] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, therefore, the present invention is not limited to the specific embodiments disclosed below limit.

[0028] figure 1 is a block diagram of a data query processing system according to an embodiment of the present invention.

[0029] Such as figure 1 As shown, the present invention provides a data query processing system 100, including: an operation description module 102, which generates an operation descriptor to record query operations; The tree is modified; the data query module 106 queries data...

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Abstract

The invention provides a data query processing system and a data query processing method. The data query processing system comprises an operation description module, an operation processing module and a data query module. The operation description module is used for generating an operation describer for recording query operation; the operation processing module is used for modifying a saved syntactic tree according to content of the operation describer; and the data query module is used for querying data according to the modified syntactic tree. Multi-dimension expressions and expressions correspondingly generated by each query cannot be analyzed, an existing syntactic tree can be modified directly according to current query operation, and operating pressure of the system is relived. Based on the same syntactic tree, query operation can be changed frequently, and expansibility of query system functions is guaranteed.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a data query processing system and a data query processing method. Background technique [0002] With the popularization of enterprise information management, enterprises have accumulated a large amount of various business data. In order to analyze these large amounts of data, an online transaction analysis processing system - OLAP is introduced. With the deepening of enterprise applications, enterprises put forward higher and higher requirements for the execution efficiency of analysis services and rich analysis functions. [0003] Usually, OLAP systems query multidimensional data by using query expressions constructed by Multidimensional Query Language (MDX). The execution process of an MDX-based query expression is roughly as follows: first, the query model generates an MDX expression, the OLAP server parses the multi-dimensional query statement, and generates an a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 李长山
Owner YONYOU NETWORK TECH CO LTD
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