Database-engine. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/database-engine
database engine - Computer Definition
Software that stores and retrieves data in a database. It may be a self-contained program or the part of a database management system (DBMS) that performs the storage and retrieval. The actual reads and writes are performed by the operating system. See DBMS and database manager.