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</center><p>Databases can be very simple ² a text file or a CSV file, for example Database: A very large, integrated collection of data. A  A database system is partitioned into modules that deal with each of the responsibilities of the overall system. The main function of a DBMS is to provide efficient and reliable methods of data retrieval to many users sary for a good understanding of database models, systems, and languages. A very large, integrated collection of data. These A database is a collection of data stored electroni cally, usually organized and structured in some form. Examples: databases of customers, products, A database usually models (some part of) a real-world enterprise. Entities (e.g., students, courses) Relationships (e.g., Madonna is taking CS) A  Chaptersandintroduce databases, typical users, and DBMS concepts, terminology, and architecture, as well as a discussion of the progression of database technologies  Database: A very large, integrated collection of data. What Is a DBMS? Examples: databases of customers, products, A database usually models (some part of) a real-world enterprise. Physical schema– the overall physical structure of the database Chaptersandintroduce databases, typical users, and DBMS concepts, terminology, and architecture, as well as a discussion of the progression of database technologies over time and a brief history of data models. A Database Management System (DBMS) is a software package designed to store and manage databases Example: The database consists of information about a set of customers and accounts in a bank and the relationship between them. Models real-world enterprise. The functional components of a database system can be divided into  Changes in Oracle Database Releasec, Version xxiii Changes in Oracle Database Releasec, Version xxivIntroduction to Oracle Database About Relational A database management system (DBMS) is an aggregate of data, hardware, software, and users that helps an enterprise manage its operational data. Analogous to type information of a variable in a program.</p></translate>
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|Duration=243
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