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Definition: Adabas

A database management system (DBMS) from Software AG, Reston, VA (www.softwareagusa.com) for IBM mainframes, VAXes, Unix and Windows. It is an inverted list DBMS with relational capabilities. A 4GL known as NATURAL plus text retrieval, GIS processing, SQL and distributed database functions are also available. Introduced in 1969, it was one of the first DBMSs.