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Chapter 3. Database Essentials > Database Fundamentals and Concepts

Database Fundamentals and Concepts

In an era of information explosion, management of data has become a prime concern for many. One of the most reliable solutions for data management is the database approach. A database is a collection of information that is organized for easy access, management, and modification.

Database creation and management can be done most effectively with the help of database management systems (DBMS). Database management systems are computerized record-keeping systems that enable you to organize, store, and retrieve the data stored in a database. In most cases, sets of data are logically related to each other. To store this logically related data, you can use a relational database. In a relational database, the data is stored in the form of tables, which are related to each other. You can query and view the information stored in these tables in different ways without changing the structure of these tables. To manage a relational database, relational database management system (RDBMS) is used. There are various RDBMS available, such as Access, FileMaker Pro, Sybase, Informix, Oracle, and SQL Server.


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