DBMS is a system software package that aids in using integrated collection of data records and files known as databases. It allows different user application programs to easily access the same database. In large systems, a DBMS allows users and other software to store and retrieve data in a structured way. Instead of having to write computer programs to extract information, user can ask simple questions in a query language. It helps to specify the logical organization for a database and access and use the information within a database. DBMS tools include Oracle 11i, DB2, Websphere, etc.

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