Download An Introduction to IMS (TM): Your Complete Guide to IBM's by Dean Meltz, Rick Long, Mark Harrington, Robert Hain, Geoff PDF

By Dean Meltz, Rick Long, Mark Harrington, Robert Hain, Geoff Nicholls

IMS serves greater than ninety five percentage of Fortune one thousand businesses, manages 15,000,000 gigabytes of construction info, and helps greater than 2 hundred million clients in line with day. The brand-new IBM IMS model nine is not only the world's number one platform for terribly huge on-line transaction processing: it integrates with internet program server expertise to let tomorrow's strongest Web-based functions. Now, for the 1st time in lots of years, there is a thoroughly updated advisor to figuring out IMS on your company environment.An advent to IMS covers * fitting and configuring IMS model nine * knowing and imposing the IMS hierarchical database version * figuring out and dealing with the IMS Transaction supervisor * getting to know middle program programming techniques, together with software constitution and IMS keep watch over blocks * profiting from IMS nine Java programming improvements * operating with the IMS grasp Terminal * Administering IMS: method definition, customization, logging, defense, operations, and extra * working IMS in a Parallel Sysplex(r) environmentWhether you've got spent a occupation operating IMS otherwise you are encountering IMS for the 1st time, this ebook gives you the insights and talents you want to be successful - as an software fashion designer, developer, or administrator.

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Extra info for An Introduction to IMS (TM): Your Complete Guide to IBM's Information Management System

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OM provides an application programming interface (the OM API) through which commands can be issued and responses received. With a single point of control (SPOC) interface, you can submit commands to OM. The SPOC interfaces include the TSO SPOC, the REXX SPOC API, and the IMS Control Center. You can also write your own application to submit commands. Related Reading: For a further discussion of OM, see "Operations Manager" on page 497. Resource Manager Address Space The Resource Manager (RM) is an IMS address space that manages global resources and IMSplex-wide processes in a sysplex on behalf of RM's clients.

46 Part I: Overview of IMS Part I: Overview of IMS 47 • OTMA: An open interface to IMS TM through which a z/OS or TCP/IP application program can send a transaction or command to IMS without using SNA or VTAM. For more information about OTMA, see "Open Transaction Manager Access" on page 179. • IBM WebSphere MQ for z/OS: A z/OS subsystem that supports the transfer of messages across z/OS address spaces and to other WebSphere MQ products on both IBM and non-IBM platforms. 2 or TCP/IP communications protocols.

Batch Message Processing Region Unlike MPR or IFP regions, a BMP region is not usually started by the IMS control region, but is started by submitting a batch job, for example by a user from TSO or by a job scheduler. The batch job then connects to an IMS control region that is defined in the execution parameters. Two types of applications can run in BMP regions: • Message-driven BMP applications (also called transaction-oriented BMP applications), which read and process messages from the IMS message queue • Non-message-driven BMP applications (batch-oriented), which do not process IMS messages BMP regions have access to the IMS full-function and Fast Path databases, provided that the control region has the Database Manager component installed.

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