A database is simply an organized collection of related data, typically stored on disk, and accessile by posibly many concurrent users. Databases are generally separated into application areas. For example, one database may contain Human Resource (employee and payroll) data; another may contain sales data; another may contain accounting data; and so on. Databases are managed by a DBMS.
A Database Management System (DBMS) is a computerized data keeping system. It is a system software application that is used for the interaction with the end-user and other application for creating and retrieving data. In general Database Management System helps Database Administration to manage the data by defining, designing, querying, updating, etc. A database is a logical group of data that contains set of related table spaces and index spaces. The table is a logical structure made up of rows and columns where data are stored.