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91.309/310 Database I & II

91.309/310 Database I & II. Prof. Cindy Chen. What is a database?. A database is a very large, integrated collection of data. A database management system (DBMS) is a software package designed to store and manage data efficiently, e.g., MS Access, MySQL, IBM DB2, Oracle, MS SQL Server.

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91.309/310 Database I & II

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  1. 91.309/310 Database I & II Prof. Cindy Chen

  2. What is a database? • A database is a very large, integrated collection of data. • A database management system (DBMS) is a software package designed to store and manage data efficiently, e.g., MS Access, MySQL, IBM DB2, Oracle, MS SQL Server.

  3. Database applications • Banking: all transactions • Airlines: reservations, schedules • Universities: registration, grades • Sales: customers, products, purchases • Manufacturing: production, inventory, orders, supply chain • Human resources: employee records, salaries, tax deductions Databases touch all aspects of our lives.

  4. Why use databases? • Efficient storage • Ease of use • Integrity check • Atomicity of updates • Concurrent access by multiple users • Security/access control

  5. Why study databases? • It’s fun! • Interesting projects • There are jobs! • More than 1000 database related job openings posted on monster.com within the past 24 hours • Database developers/analysts • Database administrators (DBA) • Database architect • Etc.

  6. The course pair • Database I • What everybody needs to know about databases – how to be an effective user of databases • Database II • What you need to know to be a database guru and make big bucks

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