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Data synchronization method and device

A data synchronization, data technology, applied in the field of communication, can solve problems such as business interruption

Active Publication Date: 2020-05-19
HANGZHOU DT DREAM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, this application provides a data synchronization method and device to solve the problem that the process of stopping the business for data synchronization will cause business interruption

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Embodiment Construction

[0020] 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.

[0021] 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 synchronization method and a data synchronization device. The method comprises the steps of determining synchronized data after the data in a source data table is synchronized into a target data table; finding the synchronized data in a changing table, and setting a preset mark for the found synchronized data in the changing table; and determining the data without the preset marks in the changing table to be the unsynchronized data, and synchronizing the unsynchronized data into the target data table. According to the method and the device provided by the embodiment of the invention, as the changing table is used for recording the changing data in the source data table, if the data in the source data table changes during a business operation process, the changing table also records the changing data; the preset mark is set for the synchronized data in the changing table to ensure that the synchronized data is no longer synchronized, and thus the situation that repeated data does not exist in the data synchronized to the target data table is ensured, and the problem of service interruption is also avoided in a data synchronization process.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a data synchronization method and device. Background technique [0002] During the operation of the device, it usually involves the process of synchronizing data between data tables, that is, synchronizing the data in the source data table to the destination data table to process the data in the destination data table. [0003] In related technologies, since the source data table is used to record the data generated during business operation, as long as the business is running, the data in the source data table is changing all the time. In order to make the data in the source data table consistent with the target data The data in the table can be kept consistent. In the process of synchronizing data, the process of data synchronization needs to be stopped. However, in an actual application environment, if the service is stopped, it will cause a problem of se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/22G06F16/27
CPCG06F16/2282G06F16/27G06F16/275
Inventor 张友先孙策
Owner HANGZHOU DT DREAM TECH