In the Engine CAD application system engineering database management system (ECAD-EDBMS) is the kernel. ECAD-EDBMS can manage and process the multimedia such as graphics, data, text, sound, image and video. It provide...In the Engine CAD application system engineering database management system (ECAD-EDBMS) is the kernel. ECAD-EDBMS can manage and process the multimedia such as graphics, data, text, sound, image and video. It provides the integrated environment and more functions for many subsystems of ECAD and engine designers. So it improves the design efficiency.展开更多
The paper starts with an introduction to the development process of database technologies.Then,it discusses the techniques and methods used to develop multimedia database.Finally,taking the Information Management Syst...The paper starts with an introduction to the development process of database technologies.Then,it discusses the techniques and methods used to develop multimedia database.Finally,taking the Information Management System of Graduate Students as an example,it describes the design process of a simple multimedia database.展开更多
文摘In the Engine CAD application system engineering database management system (ECAD-EDBMS) is the kernel. ECAD-EDBMS can manage and process the multimedia such as graphics, data, text, sound, image and video. It provides the integrated environment and more functions for many subsystems of ECAD and engine designers. So it improves the design efficiency.
文摘The paper starts with an introduction to the development process of database technologies.Then,it discusses the techniques and methods used to develop multimedia database.Finally,taking the Information Management System of Graduate Students as an example,it describes the design process of a simple multimedia database.
