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Introduction to IMS Your Complete Guide to IBM Information Management System

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ISBN-10: 0132886871

ISBN-13: 9780132886871

Edition: 2nd 2012 (Revised)

Authors: Barbara Klein, Richard Alan Long, Kenneth Ray Blackman, Diane Lynne Goff, Moira McFadden Lanyi

List price: $85.50
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Description:

Over four decades, IBM's Information Management System (IMS) has consistently earned the trust of the world's largest enterprises. Thanks to its reliability, security, and performance, nearly 95% of Fortune 1000 companies rely on IMS for their most critical IBM System z data management needs: 50,000,000,000+ transactions run through IMS databases every day. What's more, IBM continues to upgrade IMS to meet new challenges more flexibly at lower cost. InAn Introduction to IMS, leading IMS experts offer the definitive introduction to the latest versions: IMS 12, 11, and 10. This edition reflects major recent enhancements, including dynamic information generation capabilities; new access,…    
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Book details

List price: $85.50
Edition: 2nd
Copyright year: 2012
Publisher: IBM Press
Publication date: 3/13/2012
Binding: Paperback
Pages: 624
Size: 7.25" wide x 9.25" long x 1.25" tall
Weight: 2.090
Language: English

Acknowledgments
About the Authors
Preface
Overview of IMS
IMS: From Apollo to Enterprise
IMS and the Apollo Program
IMS as a Database Management System
IMS as a Transaction Manager
Who Uses IMS?
IMS and Enterprise Integration
Overview of the IMS Product
IMS Database Manager
IMS Transaction Manager
IMS System Services
IMS Product Documentation
Hardware and Software Requirements for IMS
Hardware
Software
Access to and from IMS
IMS-Managed Application Program Access
Accessing IMS by Using DL/I Calls
Accessing IMS TM
IMS Connect
Accessing IMS DB Using JDBC
Accessing IMS from Other Application Runtime Environments
Accessing IMS DB
Accessing IMS TM
Access to and from IMS Using the IMS SOA Integration Suite Components
IMS Enterprise Suite Connect APIs
IMS Enterprise Suite SOAP Gateway
IMS TM Resource Adapter
IMS MFS Web Enablement
MFS SOA Support
IMS Solutions for Java Development
IMS Enterprise Suite DLIModel Utility Plug-In
IMS Enterprise Suite Explorer for Development
IMS XML DB
IMS Web 2.0 Solutions for IMS DB and IMS TM
Accessing from IMS
Accessing to and from IMS
IMS and z/OS
How IMS Relates to z/OS
Structure of IMS Subsystems
IMS Control Region
IMS Environments
IMS Separate Address Spaces
Internal Resource Lock Manager
IMS Connect
Advanced Program-to-Program Communications
Running an IMS System
Running Multiple IMS Systems
Running Multiple IMS Systems on a Single z/OS Image
Running Multiple IMS Systems on Multiple z/OS Images
How IMS Uses z/OS Services
Resource Access Control Facility
Resource Recovery Services
Parallel Sysplex
Cross-System Coupling Facility
Cross-System Extended Services
Automatic Restart Management
Setting Up, Running, and Maintaining IMS
Installing IMS
Installing IMS Using SMP/E
IMS Installation Verification Program
Defining an IMS System
IMS Startup
Types of IMS System Starts
Starting Regions That Are Related to IMS
IMS Logging
IMS Utility Programs
IMS Recovery
Extended Recovery Facility
Remote Site Recovery
Database Recovery Control Facility
Fast Database Recovery
IMS Database Recovery Facility for z/OS
IMS Shutdown
Maintaining an IMS System
IMS Database Manager
Overview of the IMS Database Manager
IMS Database Manager Overview
Implementation of IMS Databases
Overview of Full-Function Databases
Overview of Fast Path DEDBs
Full-Function Databases
Fast Path Data Entry Databases
Storing Data in IMS and DB2 for z/OS
Storing XML Data in IMS
Open Database Manager
Workload Routing and Distribution
Overview of the IMS Hierarchical Database Model
IMS Hierarchical Database Basics
Basic Segment Types
Sequence Fields and Access Paths
Logical Relationships
Secondary Indexes
Logical Relationships
Secondary Index Databases
Implementing the IMS Hierarchical Database Model
Segments, Records, and Pointers
Physical Segment Design
IMS Hierarchical Access Methods
HDAM Access Method
HIDAM Access Method
PHDAM and PHIDAM Access Methods
Index Databases
Fast Path DEDBs
GSAM Access Method
HSAM and HISAM Access Methods
Operating System Access Methods
Data Set Groups
Choosing Between VSAM and OSAM for Data Set Groups
IMS Checkpoints
Application Program Checkpoints
Locking Data
DB2 and Deadlocks
Methods of Sharing Data
Data Sharing
How Applications Share Data
DBRC and Data Sharing
The Database Reorganization Process
Purpose of Database Reorganization
When to Reorganize Databases
Reactive Reorganizing
Proactive Reorganization
Monitoring the Database
Sample Reorganization Guidelines
Overview of the Database Reorganization Process
Reorganizing HALDBs
Offline Reorganization
Online Reorganization
The Database Recovery Process
Determining When Recovery Is Needed
Overview of the Database Recovery Process
Online Programs and Recovery
DB Batch Update Programs and Recovery
IMS Backup and Recovery Utilities
Database Image Copy Utility
Database Image Copy 2 Utility
Online Database Image Copy Utility
Database Change Accumulation Utility
Database Recovery Utility
Batch Backout Utility
IMS Transaction Manager
Overview of the IMS Transaction Manager
IMS TM Control Region
Data Communications Control Environment
IMS TM Network Overview
Required IMS TM Network Components
Optional IMS TM Network Components
Terminal Types
Static
Dynamic
Extended Terminal Option
APPC/IMS
APPC/IMS Application Programming Interfaces
MSC and ISC
Multiple Systems Coupling
Intersystem Communication
Comparing the Functions of MSC and ISC
Input Message Types
Input Destination
Message Format Service
Message Queuing
Message Queue Size and Performance Considerations
Multiple Message Queue Data Sets
Fast Path Transactions and Message Queues
Shared Queues
Operating an IMS Network
Master Terminal
Initiating a Session with IMS
Open Transaction Manager Access
OTMA Asynchronous Output
OTMA Security
OTMA Callable Interface
IMS Connect
IMS Connect OTMA Interface
IMS TM Resource Adapter
IMS Connect APIs
Workload Routing with the IMS Connect OTMA Interface
Workload Balancing with the Sysplex Distributor
Ports
Connection Types and Considerations
IMS Connect Load Balancing and Routing
Asynchronous Output and Supermember Support
IMS Connect Operations Manager Interface
IMS-to-IMS Connections over TCP/IP
WebSphere MQ
Using the WebSphere MQ API in IMS Dependent Regions
IMS BMP Trigger Monitor
WebSphere MQ IMS Bridge
How IMS TM Processes Input
IMS TM Messages
IMS Message Format
Input Message Origin
Transaction Scheduling
Message Region Scheduling
Scheduling Conditions
Program and Transaction Definitions That Affect Scheduling
Definition Parameters That Affect Transaction Scheduling
Defining the Class of a Transaction
Defining the Priority of a Transaction
Processing Limit Count and Time
Parallel Scheduling
Database Processing Intent
Scheduling a BMP or JBP Application
Scheduling Fast Path Transactions
Fast Path-Exclusive and Fast Path-Potential Transactions
Scheduling in a Shared-Queues Environment
IMS Transaction Flow
OTMA Message Processing
Commit Mode 0 (CM0): Commit-Then-Send
Commit Mode 1 (CM1): Send-Then-Commit
Synclevel 0 (SL0): None
Synclevel 1 (SL1): Confirm
Synclevel 2 (SL2): Syncpoint
Synchronous Callout
IMS Connect Implementation of Synchronous Callout
Transaction Expiration
IMS Application Development
Application Programming Overview
Application Program Structure
An ENTRY Statement
A PCB or AIB
Some DL/I Calls
A Status Code Processing Section
A Termination Statement
Entry to the Application Program
PCB Mask
AIB Mask
Calls to IMS
Status Code Processing
Application End of Processing
IMS Setup for Applications
IMS Control Blocks
IMS System Definition
IMS Application Programming Interfaces
IMS Application Calls
Get Unique (GU)
Get Next (GN)
Get Hold Unique (GHU) and Get Hold Next (GHN)
Insert (ISRT)
Delete (DLET)
Replace (REPL)
ICAL Call
IMS System Service Calls
Testing IMS Applications
Application Programming for the IMS Database Manager
Introduction to Database Processing
Application Programming Interfaces to IMS
Processing a Single Database Record
IMS Database Positioning