A DB2 Enterprise Query Environment: Build It With Qmf for Windows

Database management system implementations within a single company are no longer restricted to a single data source that is easy to administer and easy to access from a single front end application. Today, the typical database infrastructure has become very diverse, with relational database management systems from various vendors, and may also be installed ondifferent operating systems. In addition, these RDBMSs are not the only data sources; a considerable amount of data can also be stored in hierarchical databases such as Information Management System (IMS) and Virtual Storage Access Method (VSAM) .