CICS Transaction Server for Programmers

Course

In Edinburgh

£ 1,500 + VAT

Description

  • Type

    Course

  • Location

    Edinburgh (Scotland)

  • Duration

    5 Days

The aim of this Course is to provide the programmer, unfamiliar with CICS, with the necessary skills required to design, write, code and test both CICS programs and BMS Maps. On completion of this Course the student will be able to: describe the functions of a BMS Map,design, create, build and test a BMS Map,design and write a CICS program in either COBOL or PL1,use common CICS supplied. Suitable for: This course provides the applications programmer with an in-depth knowledge of the CICS development process. It is aimed at programmers who need to code or support CICS application programs written in COBOL or PL1 that access both VSAM Files and DB2 Databases.

Facilities

Location

Start date

Edinburgh (Midlothian/Edinburghshire)
16 St. Mary'S Street, EH1 1SU

Start date

On request

About this course

The delegate should be familiar with the z/OS host environment, together with a working knowledge of either COBOL or PL/I program development using TSO / ISPF.

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Subjects

  • Server

Course programme

Course Objectives
The aim of this Course is to provide the programmer, unfamiliar with CICS, with the necessary skills required to design, write, code and test both CICS programs and BMS Maps. On completion of this Course the student will be able to:

  • describe the functions of a BMS Map
  • design, create, build and test a BMS Map
  • design and write a CICS program in either COBOL or PL1
  • use common CICS supplied transactions to view and maintain CICS resources
  • define resources to CICS using CEDA
  • access VSAM files from CICS programs
  • access DB2 Databases from CICS programs
  • use DB2 cursors
  • use DB2 timestamps to check data integrity
  • DB2 Plan / Package design using CICS programs - RCT
  • describe and use CICS Temporary Storage
  • describe and use CICS Transient Data
  • code exceptional condition testing
  • code programs which handle database backout and recovery
  • understand the concepts of Multi-Regional Operation
  • understand the concepts of WebSphere MQ and CICS interaction
  • use the COMMAREA or CHANNELS and CONTAINERS to pass data

Course Details

  • INTRODUCTION
  • CICS Overview
  • What Does CICS Do?
  • The Operating System and CICS
  • Sharing Resources
  • Talking to Terminals
  • Online Programs
  • On-Line/Batch Comparisons
  • CICS Recovery
  • The CICS Pre-Processor (Translator)
  • Starting CICS
  • SCREEN HANDLING
  • Basic Mapping Support (BMS)
  • Writing a BMS Map
  • The BMS Symbolic Descriptor Map
  • Sending a BMS Map
  • Receiving a BMS Map
  • DFHMSD - Map Set Definition
  • DFHMDI - Map Description Init
  • DFHMDF - Map Description Field
  • Testing the User Response
  • Dynamic Attributes
  • Send Text
  • Screen Development Using SDF II
  • Creating a Map
  • Adding a Map to a Mapset (optional)
  • Map Generation
  • TRANSACTIONS AND TASKS
  • Transactions
  • Running Many Transactions between Screens
  • Starting a CICS Transaction
  • Tasks
  • Conversational Processing
  • Pseudo-Conversational Processing
  • Synchronous Tasks
  • Asynchronous Tasks
  • PROGRAM CONTROL
  • Passing Data between Programs - The COMMAREA
  • The LINK Command
  • The XCTL Command
  • The RETURN Command
  • The START Command
  • The RETRIEVE Command
  • CICS Exec Interface Block (EIB)
  • CONTAINERS AND CHANNELS
  • Commarea History
  • Why Change from using the Commarea?
  • Container and Channel Advantages
  • What are Containers and Channels?
  • Creating Containers and Channels
  • Reading Containers and Channels
  • Sending and Receiving Example
  • Container and Channel Rules
  • The Current Channel
  • Browsing All Container Names in a Channel
  • Summary Of Channel Commands
  • Migrating From Commarea To Channels and Containers
  • CICS TABLES
  • CICS Tables
  • The Program Control Table (PCT)
  • The Processing Program Table (PPT)
  • The File Control Table (FCT)
  • The Resource Control Table (RCT)
  • Resource Definition On-Line (RDO)
  • RDO Diagram
  • CEDA Commands
  • SUPPLIED TRANSACTIONS
  • CEDF - CICS Execution Diagnostic Facility
  • CECI - Command Interpreter
  • CEMT - Control Transaction
  • CEBR - Browsing Temporary Storage
  • DB2 APPLICATION PROGRAMMING
  • Development Cycle With DB2
  • Precompilation
  • DBRM''s
  • DCLGENs
  • Plans
  • Packages
  • SQL Statement Format - COBOL
  • SQL Statement Format - PL/1
  • SQL Statement Format - C
  • Table Declaration
  • SQL Statements Used in Application Programs
  • SQL INCLUDE
  • SQL Communication Area
  • Decoding The Sqlca in a Program
  • Retrieving Data Into Host Variables
  • Ambiguous Host Variables
  • SQL Error Codes
  • Singleton Selects
  • Cursors
  • Using a Cursor To Retrieve a Result Set
  • Declare Cursor
  • Open Cursor
  • Fetch a Row
  • Row Update
  • Row Deletion
  • Close Cursor
  • With Hold Option
  • The Optimize Statement
  • Fetch First ''n'' Rows Only Clause
  • Fetch First vs Optimize for
  • Handling Nulls
  • Retrieving System Registers
  • Updating in CICS
  • Timestamp Checking
  • PLANS AND PACKAGES
  • Bind
  • Rebind
  • Plans and Packages
  • Advantages of Using Packages
  • Binding Packages
  • Binding Plans
  • Defaults for Binding
  • Binding in Batch
  • Identifying a Collection Within a Program
  • Program Execution in Batch
  • Plan Names in CICS
  • VSAM DATASETS
  • Types of VSAM Dataset
  • VSAM KSDS Datasets
  • Reading a VSAM KSDS
  • Writing a VSAM KSDS
  • Deleting a VSAM KSDS
  • Updating a VSAM KSDS
  • Unlocking a VSAM KSDS
  • Browsing a File
  • Batch and On-Line File Access
  • SCRATCHPAD FACILITIES
  • CICS Temporary Storage
  • Creating or Updating a Temporary Storage Queue
  • Reading a Temporary Storage Queue
  • Deleting a Temporary Storage Queue
  • Queue Naming Conventions
  • CICS Transient Data
  • Intrapartition Transient Data
  • Extrapartition Transient Data
  • Transient Data Access
  • BACKOUT AND RECOVERY
  • EXEC CICS SYNCPOINT
  • EXEC CICS SYNCPOINT ROLLBACK
  • EXCEPTIONAL CONDITIONS
  • EXEC CICS HANDLE Condition
  • EXEC CICS IGNORE Condition
  • The NOHANDLE Option
  • EXEC CICS Handle ABEND
  • The RESP Option
  • Forcing a Program ABEND
  • CICS Response Codes
  • ADDITIONAL COMMANDS
  • Getmain and Address
  • Freemain
  • Query Security
  • Assign Userid
  • ENQ / DEQ
  • Send Text
  • MULTI REGIONAL OPERATIONDUMPS AND TRACES
  • Transaction Dumps
  • EXEC CICS Dump
  • Auxiliary Trace
  • WEBSPHERE MQ AND CICS
  • What Is Messaging?
  • Why use Messaging?
  • Basic Messaging Concepts
  • Messaging Domains - Types of Messaging
  • MQSeries-CICS Bridge Applications
  • Linking to CICS from MQSeries
  • An Example Of Cics Transaction Invocation
  • Connecting To A Queue Manager
  • Disconnecting From A Queue Manager
  • Creating A Dynamic Queue
  • Opening An Existing Queue
  • Closing A Queue
  • Putting a Message Into A Queue
  • Getting a Message
  • Course Environment


Course Format: The course contains many practical exercises to ensure familiarity with the product. Students create CICS programs which capture data via BMS Maps, accessing data held in VSAM Files, DB2 Tables and Temporary Storage Queues. On completion of this course students will be ready to start the development of CICS / DB2 / VSAM application programs. The comprehensive Student Guide supplied is fully indexed serving as a useful reference tool long after the course has finished. Delegates will also be able to access a free help-line with technical questions relating to topics covered on the course.

CICS Transaction Server for Programmers

£ 1,500 + VAT