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Data synchronization method, device and system

A data synchronization and data technology, applied in the computer field, can solve problems such as inability to synchronize different types of data, achieve the effect of simplifying the data synchronization process and improving the efficiency of data synchronization

Active Publication Date: 2020-02-14
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a data synchronization method, device and system to at least solve the technical problem in the prior art that different types of data synchronization cannot be realized through the same data channel service

Method used

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  • Data synchronization method, device and system
  • Data synchronization method, device and system
  • Data synchronization method, device and system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0046] According to an embodiment of the present application, an embodiment of a data synchronization method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although The logical sequence is shown in the flowchart, but in some cases, the steps shown or described may be performed in a different order than here.

[0047] The method embodiment provided in Embodiment 1 of the present application may be executed in a mobile terminal, a computer terminal or a similar computing device. figure 1 Shows a hardware structure block diagram of a computer terminal (or mobile device) used to implement a data synchronization method. Such as figure 1 As shown, the computer terminal 10 (or the mobile device 10) may include one or more (shown as 102a, 102b, ..., 102n in the figure) processor 102 (the processor 102 may include but is not limited to a microproce...

Embodiment 2

[0129] According to the embodiment of the present application, another embodiment of the data synchronization method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and, Although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than here.

[0130] Picture 9 Is a flowchart of another data synchronization method according to an embodiment of the present application, such as Picture 9 As shown, the method may include the following steps:

[0131] Step S902: Receive a data request from the client device.

[0132] In an optional embodiment, the above-mentioned data request may also, but is not limited to, carry the following field information: channel ID, client device ID, sub-channel identification of the data channel, and reading of the data read by the above-mentioned d...

Embodiment 3

[0151] According to the embodiment of the present application, another embodiment of the data synchronization method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and, Although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than here.

[0152] Picture 10 Is a flowchart of another data synchronization method according to an embodiment of the present application, such as Picture 10 As shown, the method may include the following steps:

[0153] Step S1002: Determine the data synchronization type of the client device.

[0154] Wherein, the aforementioned data synchronization type includes one of the following: a first type used to indicate full data synchronization, a second type used to indicate incremental data synchronization, and a third type used to indicate full...

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Abstract

The invention discloses a data synchronization method, device and system. The method comprises the steps of receiving a first request of client equipment, wherein the first request carries a channel identification ID reflecting a channel type; determining a channel type corresponding to the channel ID according to the channel ID, the channel type including one of a first channel supporting transmission of full data, a second channel supporting transmission of incremental data, and a third channel supporting transmission of full data and incremental data; and determining a data reading mode according to the channel type, reading data from a preset database according to the data reading mode, and sending the read data to the client device. The technical problem that different types of data cannot be synchronized through the same data channel service in the prior art is solved.

Description

Technical field [0001] This application relates to the field of computer technology, and in particular to a data synchronization method, device and system. Background technique [0002] At present, data synchronization is usually achieved between databases through full data synchronization, incremental data synchronization, and full incremental data synchronization. Due to the full data synchronization and incremental data synchronization, there are some aspects of data reading methods and data formats. Therefore, various existing database products often adopt different implementation schemes in the process of realizing full data synchronization and incremental data synchronization. [0003] For example, for full data synchronization, you need to use the full data channel, for incremental data synchronization, you need to use the incremental data channel, and for the full and incremental synchronization scenario, you need to record the current time or the position of the incrementa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/27
Inventor 王怀远
Owner ALIBABA GRP HLDG LTD
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