Transcription of ECS 165A: Introduction to Database Systems
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ECS 165A: Introduction to Database Systems
ECS 165A: Introduction to Database SystemsBertram Lud ascherFall 2013 ECS-165A11. Introduction to Relational DatabasesWhat is a Database system ? In this class we will learn aboutDatabases(DBs) andDatabaseManagement Systems (DBMSs) A Database is a (typically very large) integrated collection ofinterrelated data which are stored in a persistent format (files).Data describe information and activities about one or morerelated organizations (portion of thereal world). For example,a university Database might contain information about entities ( , students, courses, faculties, .. ) relationships among entities ( , Bill is taking ecs 165a ) A Database Management system is a collection of softwarepackages designed to store, access, and manage databases.
ECS 165A: Introduction to Database Systems ... Introduction to Relational Databases What is a Database System? • In this class we will learn about Databases (DBs) and Database Management Systems (DBMSs) • A Database is a (typically very large) integrated collection of
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