Spatial Database Quality Control Of The Confirmation Of Rural Land

The spatial database decides the accuracy and reliability of all the spatial data,the database quality control of the confirmation of rural land is related to the personal benefits of the farmers and the decisions about land and resources made by country.This dissertation is based on the confirmation of rural land of Chang Wu county.which is started in 2015,conducted a special study about the database quality control of the confirmation of rural land.The first part focuses on the quality control system this part,introduced the aspect of the databse,the database quality evaluation factors,the source of the database errors,the rules and methods to check the database in details,prviding a theoretical support for the database quality control of the confirmation of rural land.Then analyzed the application accuracy of diagram used in the confirmation of rural land,Summarized a few factors that effects the accuracy of diagramming and the applicable scope when diagram is used in the confirmation of rural land..At last,based on the familiarity of this project,designed the confirmation of rural land supporing software to help this project goes successfully,the software is based on the tools named vc2010,ADO and AO.through actual use case,the software can effectively improve the integrity and accuracy of all types of survey forms early in the project,and update the database in time,the software can also keep the large number of electronic data which is generated during the project in different kinds.avoid the case that the storing data is lost due to accidental deletion or no rational,improved the data security.