Boulder, Colo., Nov. 9, 1999 - Viaserv, Inc. announced general availability of the newest member of its product line, ViaSQL for OS/390. This new offering provides data access, update, delivery and Web integration solutions for mainframe accounts using IBM's OS/390 operating system. ViaSQL for OS/390 offers significant middleware functionality, further augmenting the functional depth and breadth of the OS/390 platform. The system provides direct SQL and ODBC access to VSAM, DB2, IMS-DB and sequential files in addition to programmatic access to other host data sources from most of the industry's popular query, development and application tools, and Web browsers and servers. This broad spectrum of solutions enables the implementation of multi-tiered and distributed OLTP applications, involving multiple clients, servers and data sources and the handling of most data delivery and staging scenarios.

The ViaSQL for OS/390 product line is available in components, which users may select to meet their application needs. Users can implement direct client or Web server connectivity to the mainframe, or they may use Windows NT-based gateways to consolidate connectivity. The mainframe components of the ViaSQL product family are an Access Server and a Legacy Data Server. The Access Server performs as a CICS transaction, providing access to DB2 and the Legacy Data Server, and ensures mainframe data integrity and security for all data being accessed. Like DB2, the Legacy Data Server runs in a separate operating system region so as not to impact CICS transaction performance. It handles read/write relational processing of VSAM and sequential files, including up to sixteen cross-file joins between data sources.

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