Visual Data Manager is a built-in tool in Visual Basic 6 to create database applications. You can use it to create and manage databases in VB6 IDE without having to use external database programs such as MS Access FoxPro, Dbase and etc.
Following the link below to get step by step guide on how to create databases using Visual Data Manager:
http://www.vbtutor.net/index.php/creating-database-using-visual-data-manager/