[Book Cover]

Year 2000 Mainframe Survival Guide, 1/e

Sunny Easwaran, Princeton, New Jersey
Mary Easwaran, Princeton, New Jersey

Published November, 1998 by Prentice Hall PTR (ECS Professional)

Copyright 1999, 384 pp.
Paper Bound w/CD-ROM
ISBN 0-13-010481-7
$49.99

[CD Included]


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 [Sample Chapter]
[Preface]


"Year 2000 Resource Center"





As the Y2K crunch gets worse, the need for mainframe-capable remediation programmers is soaring. Year 2000 Mainframe Survival Guide will help every IT professional master the skills they need to take advantage of this once-in-a-lifetime market opportunity, and to provide legacy data migration solutions long after the Year 2000. And if you're a former mainframe programmer, you won't find a better refresher anywhere! This concise tutorial and reference covers an exceptionally wide range of mainframe technologies, including:

  • ISPF program development facility
  • COBOL syntax, structure, subroutines, and sorting
  • JCL syntax, statements, and catalog procedures
  • IBM and third-party utilities, including SYNCSORT
  • VSAM
  • IMS database programming, IMS DC, and CICS
Year 2000 Mainframe Survival Guide contains practical coverage of Y2K mainframe techniques, including: inventorying existing software, evaluating potential costs and impacts, using pivot years and date expansion, working with conversion tools, and testing Y2K changes. You'll also find real-world coverage of integrating mainframes in a PC environment, including the best ways to deliver mainframe data to the desktop. Mainframes aren't just alive and well: they're still the #1 platform for business-critical applications. Shouldn't up-to-date mainframe expertise be part of your repertoire?


@ In addition to sample Y2K windowing examples in the text the accompanying CD-ROM includes more than 40 examples of mainframe code and tools you can copy or adapt for your own needs, including JCL routines, COBOL programs, IDCAMS control cards , CLIST and REXX examples, IMS and DB2 access, and more.



I. MAINFRAME FOR THE NEW MILLENNIUM.
    1. Mainframe Environment.

      Computers, Users, and Developers. Development Environment.

    2. Future of the Mainframe Environment.

      Operating Systems. Software Development. Database Management Systems. Conclusion.

    3. Year 2000 Problem.

      What is the Year 2000 Problem? Legacy Applications. What is the Solution? Year 2000 Project Phases. Conclusion.

II. MAINFRAME TECHNICAL REVIEW.
    4. ISPF/PDF. Primary Option.

      Environment (Option 0). Editing (Option 2). Data-Set Utilities (Option 3). Time-Share Option (TSO) (Option 6). User-Defined Options (Option U). Conclusion.

    5. COBOL.

      Anatomy of a COBOL Programming. SELECT Clauses and File Section. Working-Storage Section. I/O. ASSIGNMENT Statement. PERFORM Statement. IF THEN ELSE Statement. CASE Structure. Arithmetic. ARRAYS and TABLES. Subroutines. Sorting.

    6. JCL.

      JCL Syntax. JOB Statement. EXEC Statement. DD Statements. CDG - Generation Data Group. Concatenation. Refer Back. JES2/JES3 Statements. Cataloged Procedures.

    7. Utilities.

      IBM Utilities. SORT.

    8. Command Procedure Languages.

      TSO CLIST. ISPF Dialog Manager. REXX.

    9. VSAM.

      Anatomy of VSAM. Access Method Services. Definition of Clusters. Copying Data Sets. Printing Data Sets. How to Verify a KSDS or ESDS. Exporting and Importing. Alternate INDEX. VSAM I/O in COBOL Programs. Execution JCL for the VSAM Program. File Status Code Values Table.

    10. IMS-DB.

      Access Methods. Types of Programs. Design Change for Original Example. DBDGEN. PSBGEN. SELECTs and FDs. Working-Storage. Linkage-Section. Procedure Division. Command Codes. Multiple PCBs. Secondary Indexes. Checkpoint/Restart. JCL Changes.

    11. DB2.

      DB2 Environments. DB2 DDL. PSB with DB2. WORKING-STORAGE. LINKAGE SECTION. PROCEDURE DIVISION. SQL. SYSTEM Tables. Precompile Compile and Link. BIND. Executing the DB2 Program.

    12.IMS-DC.

      MFS Screen Formatting. DO and ENDDO. PSB. IMS Transaction Processing. COBOL Programming. SPA. ROLLBACK. Batch Processing.

    13. CICS.

      Anatomy of a CICS Program. BMS Details. On-Line Application Example.

    14. Reporting Tools.

      EASYTRIEVE PLUS. SAS. SYNCSORT Reporting. SPUFI.

    15. Testing Tools.

      Testing Methodology. BTS. DFSDDLT0. COMPAREX. SPUFI. FILE-AID. XPEDITER. Common System Completion Codes. Dump Reading.

    16. Performance.

      MICS. STROBE. IMF. Monitors. Explain.

    17. Year 2000 Remediation.

      Deciding What to Fix. Revisions to Sample Code. Compliance of Vendor Software.

    Appendix A: PC/Mainframe Connectivity.
    Appendix B: Tips for UNIX/C Programmers.
    Appendix C: Event-Driven Programming Tips.
    Appendix D: Typical Interview Questions.
    Appendix E: Installation-Specific Information.
    Appendix F: Web Sites for Further Information.
    Appendix G: Software on CD-ROM.
    Appendix H: Contents of CD-ROM.

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