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Data sheet comparison method and device

A data table and data technology, applied in the field of data processing, can solve problems such as low data table comparison efficiency, save network bandwidth, reduce transmission volume, and improve comparison efficiency.

Active Publication Date: 2016-06-15
ADVANCED NEW TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present application provides a data table comparison method and device to solve the problem of low efficiency of data table comparison

Method used

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  • Data sheet comparison method and device
  • Data sheet comparison method and device
  • Data sheet comparison method and device

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Embodiment Construction

[0037] 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.

[0038] 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 sheet comparison method and device; the method comprises the following steps: generating a first feature value list for a first data sheet; generating a second feature value list for a second data sheet; comparing whether the first and second feature value lists are same or not; if yes, the data stored in the first data sheet is determined to be same with that stored in the second data sheet. The novel method and device can improve data sheet comparison efficiency.

Description

technical field [0001] The present application relates to the technical field of data processing, in particular to a data table comparison method and device. Background technique [0002] In the era of big data, more and more data needs to be stored, and the amount of data in the data tables in the data warehouse is also increasing, and some have reached the PB level. In the process of data calculation, data migration and other processing of data tables, it is often necessary to compare whether the data stored in two data tables are consistent. [0003] At present, when comparing whether the data stored in two data tables are consistent, one of the data tables can be copied to the data warehouse where the other data table is located for comparison. However, in the case of a huge amount of data in the data table In this case, it will consume a large amount of network bandwidth and take a long time, resulting in low efficiency of data table comparison. Contents of the inven...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 吴天虹
Owner ADVANCED NEW TECH CO LTD
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