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Data fragment extraction method and device

A data extraction and data fragmentation technology, applied in the network field, can solve the problems of single data query method and low data extraction efficiency, and achieve the effect of improving data extraction efficiency

Active Publication Date: 2020-03-27
HANGZHOU DT DREAM TECH
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Problems solved by technology

[0004] In view of this, the present application provides a data slice extraction method and device to solve the technical problems of single data query method and low data extraction efficiency in the related art

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  • Data fragment extraction method and device
  • Data fragment extraction method and device
  • Data fragment extraction method and device

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Embodiment Construction

[0025] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0026] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a data fragment extraction method and apparatus. The method comprises the steps of obtaining a query statement for data information in a to-be-fragmented data table; executing the query statement to determine a calculation result corresponding to the data information of the fragment according to the field based on calculation logic in the query statement, wherein the calculation result comprises a complementation operation result in a positive integer form of the data information of the fragment according to the field or a positive integer value of the complementation operation result of the data information of the fragment according to the field; and configuring a data extraction task of the fragment number according to the value of the calculation result. Through the technical scheme of the invention, the technical problems of single data query method and low data extraction efficiency in related technologies can be solved.

Description

technical field [0001] The present application relates to the field of network technology, in particular to a method and device for extracting data slices. Background technique [0002] ETL (Extract-Transform-Load, Extract-Transform-Load) describes the process of data from the source end to the destination end after being extracted (extract), transformed (transform), and loaded (load), so as to realize the decentralized, The integration of messy and non-uniform data, the integrated data can provide data analysis and decision-making basis for enterprise decision-making. It can be seen that the processing device that realizes the ETL function is a component that runs various basic functions in data-related applications, and it plays an important role in providing data support for upper-layer applications. Therefore, the implementation process of ETL will largely determine the upper-layer application operation. [0003] With the development of digital technology, the amount o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/25G06F16/2455G06F16/242
CPCG06F16/254G06F16/2455G06F16/2433
Inventor 江峰褚占峰张亮
Owner HANGZHOU DT DREAM TECH
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