A database engine is the underlying component that a Database Management System (DBMS) uses to create, retrieve, update and delete (CRUD) data from a database. A database management system ( DBMS) is Computer software designed for the purpose of managing Databases DBMSes may use any of a variety of Data models Create read update and delete ( CRUD) are the four basic functions of Persistent storage, a major part of nearly all computer Software. Debt AIDS Trade in Africa (or DATA) is a Multinational non-government organization founded in January 2002 in London by U2 's A Computer Database is a structured collection of records or data that is stored in a computer system One may command the database engine via the DBMS's own user interface, and sometimes through a network port. The user interface (or Human Computer Interface) is the aggregate of means by which people&mdash the users '&mdash interact with the System In Computer networking, a port is an application-specific or process-specific software construct serving as a communications endpoint used by Transport Layer protocols