MY174951A - A data updating method based on data block comparison - Google Patents

A data updating method based on data block comparison

Info

Publication number
MY174951A
MY174951A MYPI2010005110A MYPI2010005110A MY174951A MY 174951 A MY174951 A MY 174951A MY PI2010005110 A MYPI2010005110 A MY PI2010005110A MY PI2010005110 A MYPI2010005110 A MY PI2010005110A MY 174951 A MY174951 A MY 174951A
Authority
MY
Malaysia
Prior art keywords
data
files
version
mapping information
identity mapping
Prior art date
Application number
MYPI2010005110A
Inventor
Chen Cheng
Dong Xu
Original Assignee
Hangzhou Shunwang Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Shunwang Tech Co Ltd filed Critical Hangzhou Shunwang Tech Co Ltd
Publication of MY174951A publication Critical patent/MY174951A/en

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  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The present invention relates to a method for updating data based on data block (106) comparison comprising steps of: dividing all version of the data into several data block (106), in which the data comprising steps of: extracting attribute and identity mapping information of the overall version data; extracting attribute and identity mapping information of all files; extracting identity mapping information of each data block (106); creating corresponding index files (103) specific to the each version data having the extracted data; finding out the excluded files in previous version data and all changed files according the attribute and identity mapping information of all files in the later version index file; and finding out excluded files in the later version data and changed files according to the attribute and identity mapping information of all files in the previous version index files (103).
MYPI2010005110A 2010-01-18 2010-10-29 A data updating method based on data block comparison MY174951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010040010XA CN101770515B (en) 2010-01-18 2010-01-18 Data block comparison based data updating method

Publications (1)

Publication Number Publication Date
MY174951A true MY174951A (en) 2020-05-28

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MYPI2010005110A MY174951A (en) 2010-01-18 2010-10-29 A data updating method based on data block comparison

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CN (1) CN101770515B (en)
MY (1) MY174951A (en)
SG (1) SG173248A1 (en)

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CN101770515B (en) 2012-01-11
CN101770515A (en) 2010-07-07
SG173248A1 (en) 2011-08-29

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