What is a DBMS(database management system)? From Commercial Market: Oracle,Sybase are among the largest software companies in the world. IBM offers its DB2 system Microsoft offers SQL-Server Microsoft Access for DBMS on desktopWhat is a DBMS (database management system) ? From Commercial Market: „ Oracle, Sybase are among the largest software companies in the world. „ IBM offers its DB2 system „ Microsoft offers SQL-Server & Microsoft Access for DBMS on desktop