Database Fundamentals - ESP

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Database Fundamentals : 1File: N_drive:\jhu\class\1995\ 1994, 1995 Robert RobbinsDatabaseFundamentalsRobert J. RobbinsJohns Hopkins Fundamentals : 2File: N_drive:\jhu\class\1995\ 1994, 1995 Robert RobbinsWhat is a Database ?General: A Database is any collection of related : A Database is a persistent, logically coherentcollection of inherently meaningful data, relevantto some aspects of the real portion of the real world relevant to the Database is sometimes referredto as the universe of discourse or as the Database miniworld.

The business data file resembles a relation in a number of ways. The tabular file itself corresponds to a relation. Each column, or attribute, in the file corresponds to a particular set and all of the values from a particular column ... 1995 Robert Robbins Database Fundamentals: 17

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