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Tham khảo tài liệu 'business english lesson – advanced level's archivedatabase management systems', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Business English Lesson - Advanced Level s archive Database Management Systems 1. An organisation uses a computer to store and process information because it hopes for speed accuracy efficiency economy etc. beyond what could be achieved using clerical methods the objectives of using a DBMS must in.be the same although the justifications may be more indirect. essence u quality u spirit u substance 2. Early computer applications were based on existing clerical methods and stored information was.in much the same way as manual files.ed u parsed u partitioned u petitioned u pigeon-holed 3. But the computer s processing speed gave a potential for relating data from different sources to produce valuable management information provided that some standardisation could be imposed over departmental boundaries the idea emerged of the.database as a central resource. u individualized u .
