Mapping Rules of Data Migration in MIS
X. H. Xi · Computer and Modernization · 2007
In the subrogation of MIS,data migration including data extracting,data transformation and data loading is necessary.Under the precondition that the source system and the target system are supposed as two logical models,the following issues are mainly discussed: Mapping rules are proposed based on the principle that data integrity should be guaranteed in the process of data migration,and on further the corresponding relations among the entities,tables and the fields are discussed,and the algorithms existed in mapping rules are also discussed.