Folosirea unor colectii vaste de informatii aflate pe un computer; listele de baze de date pot sa faca referire la diferite subiecte; baze de date care contin transcrieri complete ale documentelor sau ale articolelor; baze de date care furnizeaza numele si adresele clientilor potentiali.
The use of large collections of computer-based information in marketing; the database listings may be reference databases containing information on specific topics; full databases which contain full transcripts of documents or articles being sought; or source databases which contain listings of names and addresses, etc of prospective customers.