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Database Management System (DBMS)
Introduction A database is the collection of related persistent data and contains information relevant to an enterprise. The database is also called the repository or container for a collection of data files. For example, university database for maintaining information about students, courses and grades in university. A database system is basically just a computerized record-keeping system. A database system involves four major components: data, hardware, software, and users. The database management system (DBMS) is the software that handles all access to the database. It is defined as the collection of interrelated data and a set of programs to access those data. Users of a DBMS system can perform the following basic operations on the database: Adding new, empty files to the database. Inserting data into existing files. Retrieving data from existing files. Changing data in existing files. Deleting data from existing files. Removing existing file...
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