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  • 5 JCL Cataloged Procedure Interview Questions

    The popular questions given here on JCL cataloged procedure. These are so basic but asked in many interviews. Read more.

  • COBOL: All About Null-terminated Strings

    Even though I was busy in my work, I decided to spend some time for our readers on technical help.  COBOL strings is a key subject  and across all the big mainframe projects (Finance, Insurance and Manufacture) without strings there is no COBOL code. The below codes helps to implement in your projects: Working storage variables…

  • IBM Z13: Top Features You Should Know

    IBM Z13 new features is now trending in almost all big projects. Learn now the real functions.

  • DB2: 4 Top INSERT SQL Queries

    Top questions on DB2 SQL insert values and how to find errors explained.

  • Digital Skills That a Mainframe Developer Can Learn Easily

    This is the time for Mainframe programmers to learn digital skills. The main reason is opportunities are very few in the market for Mainframe Skills. Why mainframe skills not only enough? The reason is Mainframe works still on legacy skills. But IBM is doing a lot of research to bring the mainframe to the next…

  • JCL Temp Dataset With disp ‘KEEP’ or ‘CATLG’

    The data set in JCL can have three possible options one is KEEP, CATLG and PASS. Each has its own usages. Keep reading more.

  • How to Browse TCT, PPT, FCT, PCT entries in CICS

    How to browse TCT table data? Use command DSPCICSTCT to browse entries in TCT (Terminal Control Table). Only you can browse the data, but you cannot change or delete it. How to browse PCT table data? Use command DSPCICSPCT to browse entries in PCT (Program Control Table). Only you can browse the data, but you cannot change…

  • CICS COBOL Program Example

    Identification Division.==>No differencesEnvironment Division==>MUST be EMPTY in CICS Program!No SELECT statements allowed!Data Division==>No FILE SECTION – (No SELECTS) Data DivisionWORKING-STORAGE SECTION.Switches, Flags, Variables, Records, etc.You get ‘fresh’ copy each time program loaded!LINKAGE SECTION  (New Item!!)DFHCOMMAREA defined or CICS will!Used to receive data from CICS.CICS also inserts EIB Block definition Procedure DivisionUses most  COBOL statementsAlso uses…

  • IMS DB Command Code Vs Proc Option

    The real differences between IMS DB command code and Proc options.

  • COBOL Compiler: New Options Arch, Optimize

    Enterprise COBOL for z/OS , V5.1 introduces two significant compiler options. Related COBOL online compiler Based on new code generation and optimization technology the new ARCH -The syntax is ARCH(n). Parameter n is an integer between 6 and 10 inclusive, specifying the machine architecture for which instructions are to be generated. ARCH(6) is default. Related:…

  • Top Rowset Positioning Examples for INSERT, UPDATE and DELETE

    Rowset positioning top examples on how to use it and work with multiple rows in DB2.

  • 4 Distinct Flavours of NetCOBOL

    NetCOBOL for .net The Fujitsu NetCOBOL® for .NET COBOL compiler enables access to the latest web technologies. COBOL applications can easily integrate with Internet XML Web Services and ASP.NET applications. The NetCOBOL for .NET compiler produces Microsoft’s® Intermediate Language (MSIL) that executes under the Common Language Runtime (CLR). This language-neutral, platform-independent environment allows the use…