Define database and its functions?

1.	Define database and its functions?
Answer» A\xa0database\xa0management system is a software tool that makes it possible to organize data in a\xa0database. It is often referred to by\xa0its\xa0acronym, DBMS.\xa0The functions\xa0of a DBMS include concurrency, security, backup and recovery, integrity and data descriptions.\xa0Organizations use large amounts of data. A database management system (DBMS) is a software tool that makes it possible to organize data in a database.The standard acronym for database management system is DBMS, so you will often see this instead of the full name. The ultimate purpose of a database management system is to store and transform data into information to support making decisions.A DBMS consists of the following three elements:\tThe physical database: the collection of files that contain the data\tThe database engine: the software that makes it possible to access and modify the contents of the database\tThe database scheme: the specification of the logical structure of the data stored in the database

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