2 (record No. 1) (record No. 2) File No. 2 Field No. 1 Field No. 2 (record No. 1) ( record No. 2) Figure 3. DBMS Design A relational DBMS is capable of manipulating fields and files in two unique ways. First, separate files containing common fields can be merged, allowing access to a great deal of related data at one time. For instance, a daily vehicle operations file and a vehicle maintenance/ repair file, each including a field for vehicle ID number, could be joined in order to determineanbsp;...
Title | : | International Conference on Mobility and Transport of Elderly and Handicapped Persons. Third. Proceedings. Final Report |
Author | : | |
Publisher | : | - 1984 |
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