IBM Mainframes training in Hyderabad

 Mainframe Concepts

  • Introduction to IBM Mainframe Systems
  • IBM Mainframe Architecture
  • Data and Job Management
  • Operating Systems
  • TSO, ISPF

COBOL

  • Introduction to COBOL and its versions
  • COBOL Program structure
  • Field Declaration – Data Types

COBOL statements –

  • ACCEPT
  • DISPLAY
  • MOVE
  • INITIALIZE
  • IF Statement
  • EVALUATE
  • STRING and UNSTRING
  • COPY
  • COMPUTE
  • PERFORM
  • REDEFINES
  • RENAMES
  • Computational Usages
  • STOP RUN, GOBACK, EXIT PROGRAM

FILE HANDLING

  • How to use files in COBOL Program?
  • File Programming using Sequential, Indexed and Relative files
  • Realtime programs using files

TABLE HANDLING

  • Array Declaration
  • Using arrays in programs with
  • SEARCH & SEARCH ALL
  • Subscripting & Indexing
  • Sorting & Merging
  • Resolving File Status codes and abends
  • Coding Realtime Programs

JCL(Job Control Language)

  • Introduction to JCL – Batch Processing (JES2 & JES3)
  • JOB, EXEC and DD statements – Parameters
  • JOBLIB, STEPLIB and JCLLIB
  • Symbolic & Overriding Parameters
  • Instream & Cataloged Procedures
  • Temporary Datasets
  • RESTART, PARM, COND, Referback, DUMMY, TYPRUN
  • GDG and its uses
  • Sorting & Merging files
  • Reformatting file data
  • INCLUDE, OMIT
  • JCL Errors and resolving abends
  • Coding Realtime JCLs

DB2(RDBMS)

  • DB2 – Database concepts
  • DB2 Organization
  • Tablespaces, Tables, Views, Indexes, Synonyms, Aliases
  • Using SQL Queries
  • DDL(CREATE, ALTER and DROP COMMANDS)
  • DML(SELECT, INSERT, UPDATE and DELETE)
  • DCL(GRANT & REVOKE)
  • Group By, Having, Order By
  • Joins
  • Subqueries vs Correlated subqueries
  • Unions
  • DCLGEN, SPUFI and QMF
  • DB2 Utilities
  • NULLS – Null Indicators
  • Cursors and Types
  • SQLCA
  • DB2 Program Preparation
  • Pre-compilation
  • BIND – Packages & Plans
  • DB2 Locking and Concurrency
  • Locking Modes
  • Isolation Levels
  • Commit & Rollback
  • Constraints
  • DB2 Performance issues and tuning techniques
  • SQLCODES and resolving abends
  • COBOL-DB2 Realtime Programming

VSAM(File Concept)

  • Introduction to VSAM
  • VSAM Datasets – ESDS, KSDS, RRDS
  • Space management
  • Alternate Indexes
  • Dataset structures
  • Defining Clusters
  • IDCAMS – Repro, Print, Alter, Delete
  • START, INVALID KEY
  • Accessing VSAM files from COBOL
  • File status codes and abend codes
  • Coding programs using VSAM files

CICS(Customer Information Control System)

  • Introduction to CICS
  • Batch vs Online systems
  • CICS System tables
  • Triggering CICS transactions
  • Conversational and Pseudo-conversational programming
  • BMS Macros – Maps and Mapsets
  • CICS commands
  • EIB
  • Commarea
  • Exceptional conditions
  • Handle condition
  • Ignore Condition
  • RESP
  • Control Operations
  • TDQs and TSQs
  • Return, XCTL and LINK
  • ASKTIME, FORMATTIME, START, ATI, CANCEL
  • CICS Abend codes and resolutions
  • Coding Online programs using COBOL, CICS, VSAM and DB2

Tools

  • File-Aid for files & DB2
  • Changeman
  • Xpeditor

Software Engineering

  • Application development covering all phases of SDLC
  • Quality Management
  • Documentation