For a current list of supported Relational Database Management Systems for Database Connectors, see the Database Connectors for Visual COBOL topic under Additional Software Requirements.
Database Connectors uses standard COBOL I/O statements to access databases. It handles the translation between standard COBOL and the SQL used by the RDBMS.
Specific instructions and status messages apply to each type of RDBMS, and these are included in their own RDBMS-specific sections.