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IBM Mainframes Online Training

 

IBM MAINFRAME BASICS and MVS

Introduction to MVS

Key concepts and Terminlogy

Characteristics features of MVS

  • Multi programming
  • Multi processing
  • Real and Auxiliary Storage
  • Spooling
  • Paging
  • Address Spaces
  • Swapping

Data Management overview(MVS Functions)

  • Types of Data and Dataset Organization
  • VSAM and Non-VSAM datasets organization
  • Label and Catalog

I/O Devices

  • Unit Record Devices
  • Magnetic Tape
  • DASD-Direct Access Storage Device
  • MVS Tools Overview

Interactive System Productivity Facility (ISPF)

  • Primary Options Menu
  • Command Overview
  • MVS System Concepts

Job Management Overview

VS COBOL-11

  • Introduction to COBOL
  • History of COBOL and introduction to VSCOBOL 11
  • Details of COBOL Coding sheet
  • Structure of COBOL program
  • Divisions of COBOL program
  • Explanation with Sample program

Working with Data

  • Hierarchical representation of data
  • COBOL data types
  • Elementary and Group data items
  • JUSTIFY
  • SIGN Clause
  • Display vs Computational Numeric Data
  • USAGE Clause
  • SYNC Clause
  • Figurative Constants
  • RENAMES
  • REDEFINES
  • CONDITION NAMES

Program Structure

  • Programming style
  • Sections and Procedures
  • EXIT

Program Control

  • Types of statements
  • Arthimetic Verbs
  • Decision Making
  • Iterations

Trapping Run Time Errors

  • Exception handling
  • Table Handling

File Sorting

  • Sorting(Internal,external,bubble,shuttle sorts)
  • Input and output procedures
  • Merge

File Handling

  • File processing Overview
  • Types of files
  • Open and Close
  • The Write VERB
  • A Direct READ
  • The START Verb
  • The Delete Verb
  • Writing New Records

Sub Programming

  • The use of embedded and external subprograms
  • COPY statement
  • CALL
  • The Linkage Section
  • STATIC and DYNAMIC CALL
  • CALL BY CONTENT and CALL BY REFERENCE
  • EXIT Program and Go back

String Functions

  • STRING
  • UNSTRING
  • INSPECT
  • REFERENCE MODIFICATION

Job Control Language(JCL) 

  • Introduction
  • Key parameters in JCL

Job statement

  • POSITIONAL PARAMETERS
  • KEYWORD PARAMETERS

Exec statement

  • POSITIONAL PARAMETERS
  • KEYWORD PARAMETERS

DD statement

  • POSITIONAL PARAMETERS
  • KEYWORD PARAMETERS

Special DD statements

  • TEMPORARY DATASETS
  • BACKWARD REFERENCES
  • SYSOUT
  • SYSUDUMP

Other JCL statements

  • COMMENTS STATEMENTS
  • DELIMETER STATEMENTS
  • NULL STATEMENT

Procedurs

  • PROC and PEND statement
  • SYMBOLIC parameters
  • PROC statement
  • PEND statement
  • Invoking Procedure

Generation Data Groups(GDG) 

  • Introduction
  • Creation of GDG
  • Altering GDG definition
  • Deleting GDG
  • SYSUDUMP

IBM JCL Utilities

  • Control Job Processing
  • IF the ELSE
  • MAXCC,LASTCC
  • DO..END
  • CANCEL

Sort

  • Internal Sort
  • External Sort
  • Explanation with Real time scenarios
  • OMIT,INCLUDE
  • INREC,OURREC
  • SKIPREC,STOPAFT

VIRTUAL STORAGE ACCESS METHOD(VSAM)

  • Introduction
  • Basic concepts of VSAM
  • Advantages of VSAM
  • CI,CA and splits

VSAM DATASETS

  • TKSDS,RBS
  • ESDS
  • RRDS,RRN
  • LDS

Internal organisation of VSAM

  • VSAM Dataset Allocation
  • Dataset components

Parameters used for defining culsters

  • Alternate Index Allocation
  • Access Methods Services
  • Define VSAM/Generation Dataset Groups
  • Define ALTERNATEINDEX
  • BLDINDEX
  • Define PATH

Other IDCAMS COMMANDS

  • LISTCAT
  • ALTER
  • VERIFY
  • REPRO
  • MODAL

FILE-STATUS CODES

  • DATABASE 2(DB2)
  • Introduction to RDBMS
  • Overview of DB2
  • DB2 Objects
  • SQL
  • DB2 Application Development Overview
  • EMBEDDED SQL
  • DATA TYPED of DB2

JOINS

  • INNER and OUTER JOIN
  • LEFT and RIGHT JOIN

DB2 PRECOMPILATION PROCESS

  • DBRM
  • BIND
  • PACKAGE
  • PLAN
  • HOST VARIBALES
  • NULL INDICATORS
  • SQLCA

CURSOR

  • USE of CURSOR
  • WITH HOLD OPTION

DEADLOCK

  • LOCKS and LATCH

MODES OF LOCKS

  • SHARED
  • EXCLUSIVE
  • RELEASE OPTION
  • ISOLATION LEVELS

DB2 TOOLS

  • SPUFI
  • QMF
  • DCLGEN
  • DB2 UTILITIES
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