Data fresh information acquisition methods, device and method of data synchronization, device

Data fresh information acquisition methods, device and method of data synchronization, device

  • CN 103,136,200 B
  • Filed: 11/22/2011
  • Issued: 02/02/2018
  • Est. Priority Date: 11/22/2011
  • Status: Active Grant
First Claim
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1. A kind of 1. data fresh information acquisition methods, it is characterised in that including:

  • Renewal identification field is set up for data;

    Data are updated, while update the more new logo of the data, before the mark of the renewal after renewal is different from data renewalMore new logo, to the data renewal operation comprise at least increase and delete;

    Data message chained list is read, obtains the local unique mark and more new logo and last same the end of the step of current all dataThe local unique mark and more new logo of Shi Suoyou data;

    The data message chained list includes the part of each data in database onlyOne mark and more new logo;

    According to the local unique mark of current all data and more new logo with it is last it is synchronous at the end of instituteThe local unique mark and more new logo for having data obtain data fresh information, the operation of data message for being increased and being deletedSpecially:

    The local unique mark of the local unique mark of all data at the end of last synchronization and current all data is enteredRow compares, and obtains concrete operations as increase and the data fresh information deleted.

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