A database, also called a database system (DBS), is a system for electronic data management. The aim is to store large amounts of data efficiently, without contradiction and permanently, and to make required subsets available to users and application programmes in different, needs-based forms of presentation. A DBS consists of two parts: the management software, called database management system (DBMS) and the set of data to be managed, the database (DB) in the narrower sense, also called "database". The way in which such a system stores and manages data is determined by the database model. The most common form of database system is the relational database system. A distinction must be made between the term database described here (consisting of DBMS and data) and database applications such as order management and ordering, customer and address management, invoicing or LIMS.
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