例句與造句

1. Software has been developed for data management by using relational data based management systems INGRES . Outpatient department, patient data management, accounting, clinical research, pharmacy and stores were computerized.
2. The main market in which Sybase operates, behind Oracle and ahead of the Informix Corporation of Menlo Park, Calif ., is the business of relational data base management systems.
3. It's difficult to find relational data base management system in a sentence. 用relational data base management system造句挺難的