Database design 34 Database management 13 Relational databases 5 System design 4 Expert systems (Computer science) 3 Congresses 2 Data processing 2 Databases 2 Design 2 Education 2 Object-oriented programming (Computer science) 2 Web databases 2 Business 1 Computer architecture 1 Computer managed instruction 1 Computer software 1 DEDATA (Information storage and retrieval systems) 1 Data structures (Computer science) 1 Development 1 Distance education 1 Electronic directories 1 Exchange of bibliographic information 1 Exchange of oceanographic information 1 File organization (Computer science) 1 Information storage and retrieval systems 1 Logic programming 1 Marine sciences 1 Object-oriented methods (Computer science) 1 Periodicals 1 Research 1