Transcription of Introduction to Database Systems Module 1, Lecture 1
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Introduction to Database Systems Module 1, Lecture 1
Database Management Systems , R. Ramakrishnan1 Introduction to Database SystemsModule 1, Lecture 1 Instructor: Raghu Management Systems , R. Ramakrishnan2 What Is a DBMS?vA very large, integrated collection of real-world enterprise. Entities ( , students, courses) Relationships ( , Madonna is taking CS564)vA Database Management system (DBMS) is asoftware package designed to store andmanage Management Systems , R. Ramakrishnan3 Why Use a DBMS?vData independence and efficient application development integrity and data access, recovery from Management Systems , R. Ramakrishnan4 Why Study Databases??vShift from computation to information at the low end : scramble to webspace (a mess!) at the high end : scientific applicationsvDatasets increasing in diversity and volume. Digital libraries, interactive video, HumanGenome project, EOS project .. need for DBMS explodingvDBMS encompasses most of CS OS, languages, theory, A I, multimedia, logic?
Database Management Systems, R. Ramakrishnan 2 What Is a DBMS? A very large, integrated collection of data. Models real-world enterprise. – Entities (e.g., students, courses) – Relationships (e.g., Madonna is taking CS564) A Database Management System (DBMS) is a software package designed to store and manage databases.
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