Question

discuss the main characteristics of the database approach and how it differs from traditional file systems.

Answer 1

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Databases store electronic representations of data, but traditional file systems generally store paper with data written on it. In a traditional file system a file folder is the the way records are grouped, but in a database records are indexed in many ways, both by "file folder" and by record or data field. With relational database approaches relationships can be established between data in relational database approaches relationships can be established between data in records and new records can be created from crossing files and even databases.In simplest terms, a file processing system coordinates only physical access to data. A database organizes and coordinates both physical and logical data access. A database specifically reduces the amount of duplication of data in a system. Additionally, since a database is designed to allow access queries where a file system only allows pre-determined data access,database queries can be far more refined and flexible, as well as granting user access privileges to protect stored data. Databases, unlike file processing systems, allow multiple users to access the same data simultaneously.

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