Update method for databases, particularly navigation databases

Update method for databases, particularly navigation databases

  • CN 101,558,406 A
  • Filed: 07/06/2007
  • Published: 10/14/2009
  • Est. Priority Date: 07/25/2006
  • Status: Active Application
First Claim
Patent Images

1. one kind to distributed data base (10;

  • 11) especially be divided into fragment (17;

    24,26;

    28,27;

    30,31) navigational route database is carried out method for updating, with the fragment (17 after upgrading;

    24,26;

    28,27;

    30,31) from being divided into respective segments (17;

    24,26;

    28,27;

    30,31) central database is sent to distributed data base (10;

         11) fragment (17 after neutralization will be upgraded;

    24,26;

    28,27;

    30,31) be kept at distributed data base (10;

         11) in, it is characterized in that, distributed data base (10;

         11) fragment (17 in;

    24,26;

    28,27;

    30,31) be mapped to a hierarchical model, in new segment (17 more;

    24,26;

    28,27;

    30,31) time also to this fragment (17;

    24,26;

    28,27;

    30,31) associated those fragments (17;

    24,26;

    28,27;

    30,31) upgrade.

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