The data-sharing for users who work with different databases in management information system is going to be one of the key problems or,in some situation,the main obstacles,for the integration of management informatio...The data-sharing for users who work with different databases in management information system is going to be one of the key problems or,in some situation,the main obstacles,for the integration of management information system.And the data conversion between different databases is the basis and premise of the data sharing.This paper presents a design scheme for data conversion between defferent databases,solved the problems caused by the defference of the two DBMS in the data type,storage structure,and the method of data management.The data conversion between SQL and DBASE3(or FOXBASE)is realized through data extraction,format transformation and data transmmision.Based upon the data conversion,the data stored in the different databases can be shared by users who work in different DBMS environments to support their decision making.展开更多
文摘The data-sharing for users who work with different databases in management information system is going to be one of the key problems or,in some situation,the main obstacles,for the integration of management information system.And the data conversion between different databases is the basis and premise of the data sharing.This paper presents a design scheme for data conversion between defferent databases,solved the problems caused by the defference of the two DBMS in the data type,storage structure,and the method of data management.The data conversion between SQL and DBASE3(or FOXBASE)is realized through data extraction,format transformation and data transmmision.Based upon the data conversion,the data stored in the different databases can be shared by users who work in different DBMS environments to support their decision making.