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Xbridge Host Data Connect Now Supports IMS Secondary Indexes.


Business Editors/High-Tech Writers

LOS GATOS, Calif.--(BUSINESS WIRE)--May 14, 2003

Xbridge Host Data Connect(TM) from Xbridge Systems now supports secondary indexes in Information Management System (IMS (1) See IP Multimedia Subsystem.

(2) (Information Management System) An early IBM hierarchical DBMS for IBM mainframes. IMS was widely implemented throughout the 1970s under MVS and continues to be used under z/OS.
(TM)) databases, helping improve the efficiency of data queries by enabling users to create different paths or custom paths through the data.

Xbridge Host Data Connect enables Windows(R), Web and mobile applications to quickly and securely access virtually all OS/390(R) and z/OS(TM) mainframe data including Virtual Storage Access Method (database) Virtual Storage Access Method - (VSAM) An IBM disk file storage scheme first used in S/370 and virtual storage. VSAM comprises three access methods: Keyed Sequenced Data Set (KSDS), Relative Record Data Set (RRDS), and Entry Sequenced Data Set (ESDS).  (VSAM (Virtual Storage Access Method) An IBM access method for storing data, widely used in IBM mainframes. It uses the B+tree method for organizing data.

VSAM - Virtual Storage Access Method
), Queued Sequential Access Method Queued Sequential Access Method - Physical Sequential  (QSAM QSAM - Physical Sequential ), DataBase 2 (DB2) and IMS DB, and to see the data in the format of the requesting application (e.g., Excel), all in real time and without programming.

"This new capability enables users to develop more efficient and precise queries, so that they pull only the information needed when they need it," explained Jim Sagawa, Xbridge director of OS/390 development. Sagawa, who joined Xbridge in March 2003, was part of the original IMS development team and has almost 40 years experience in software engineering and research for companies such as IBM, DHL and Claris in the United States, Europe and Japan.

Using IMS in a Relational World

IMS is the most widely deployed hierarchical Database Management System (DBMS) for IBM mainframes. The user license base for IMS continues to grow and a great deal of mission-critical data is in this format.

The difficulty is that IMS data is usually highly performance optimized, making it difficult for non-programmers to use. Xbridge Host Data Connect flattens the data and presents it in a relational structure, so that non-programmers can use it (often with other relational data) in a decision-support application.

Host Data Connect already supported the main IMS database organizations -- HISAM HISAM Hierarchical Indexed Sequential Access Method
HISAM High Altitude Surface-To-Air Missile
HISAM Hardware Initiated Standalone Memory
 (Hierarchical Indexed Sequential Access Method See ISAM.

(database) Indexed Sequential Access Method - (ISAM) An IBM file management system allowing records to be accessed either sequentially (in the order they were entered) or via an index. Each index orders the records on a different key.
), HIDAM HIDAM Hierarchical Indexed Direct Access Method (IBM)  (Hierarchical Indexed Direct Access Method), HDAM (Hierarchical Direct Access Method), SHISAM (Simple Hierarchical Indexed Sequential Access Method), HSAM (Hierarchical Sequential Access Method Organizing data in a prescribed ascending or descending sequence. Searching sequential data requires reading and comparing each record, starting from the top or bottom of file. See GSAM. ) and SHSAM (Simple Hierarchical Sequential Access Method). This new support for secondary indexes on HISAM, HIDAM and HDAM extends and enhances those capabilities.

A white paper on "A Windows Window into IMS Databases" is available on the Xbridge web site (http://www.xbridgesystems.com/WhitePaper.htm).

Pricing and Availability

Purchase options for Xbridge Host Data Connect begin at $20,000 for a single-seat, single-system environment. Annual licensing options are available for approximately one-third the one-time charge. The IMS option is available now for $10,000 or for lease at $3,500 annually.

About Xbridge Systems

Xbridge Systems develops and markets high-performance software that enables critical corporate data to be shared instantaneously between OS/390 and z/OS mainframes and desktop open-systems environments. More information on the Los Gatos, California-based company is available by calling 866/356-1515, emailing info@xbridgesystems.com or going online to http://www.xbridgesystems.com.

Note to Editors: Xbridge Host Data Connect is a trademark of Xbridge Systems, Inc. Other company and product names may be trademarks or registered trademarks of their respective owners.
COPYRIGHT 2003 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2003, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Date:May 14, 2003
Words:494
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