A database management system (DBMS) is software that allows users to create, access, modify, and manage data in a structured database. A DBMS provides an interface between users and the database, ensuring data is organized and accessible. Common applications of DBMSs include banking, airlines, universities, telecommunications, finance, sales, manufacturing, and human resources. The top 10 DBMS software programs are Oracle, IBM DB2, Microsoft SQL Server, SAP Sybase ASE, Teradata, ADABAS, MySQL, FileMaker, Microsoft Access, and Informix. The main types of DBMSs are relational, hierarchical, network, and object-oriented. Relational DBMSs are the most widely