Discussion on the Update Pattern of the Data Base Vector Data in the Provincial Geographic National Census Data
With the national and provincial two Geographic National Census results database management system to complete the construction.Efficient updating of vector data in database is an urgent need.Aimed at this need.Based on the analysis of the relationship between the two level database and the characteristics of the incremental data sets.A vector data set updating method is proposed which can meet the requirements of the two level database update.And a preliminary attempt has been made on this update method.
Geographical National Censusvector datadatabase updateincremental data sets
NETL
NSTL
万方数据
维普
