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Note for Database Management System - DBMS by Aman Kumar

  • Database Management System - DBMS
  • Note
  • Dr. A PJ Abdul Kalam Tech University Lucknow - AKTU
  • Computer Science Engineering
  • B.Tech
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  • Uploaded 9 months ago
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Chapter 1: Introduction Database System Concepts, 6th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use

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Outline The Need for Databases Data Models Relational Databases Database Design Storage Manager Query Processing Transaction Manager Database System Concepts - 6th Edition 1.2 ©Silberschatz, Korth and Sudarshan

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Database Management System (DBMS) DBMS contains information about a particular enterprise Collection of interrelated data Set of programs to access the data An environment that is both convenient and efficient to use Database Applications: Banking: transactions Airlines: reservations, schedules Universities: registration, grades Sales: customers, products, purchases Online retailers: order tracking, customized recommendations Manufacturing: production, inventory, orders, supply chain Human resources: employee records, salaries, tax deductions Databases can be very large. Databases touch all aspects of our lives Database System Concepts - 6th Edition 1.3 ©Silberschatz, Korth and Sudarshan

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University Database Example Application program examples Add new students, instructors, and courses Register students for courses, and generate class rosters Assign grades to students, compute grade point averages (GPA) and generate transcripts In the early days, database applications were built directly on top of file systems Database System Concepts - 6th Edition 1.4 ©Silberschatz, Korth and Sudarshan

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