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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. Read More ⇢
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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… Read More ⇢
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IBM Z13: Top Features You Should Know
IBM Z13 new features is now trending in almost all big projects. Learn now the real functions. Read More ⇢
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DB2: 4 Top INSERT SQL Queries
Top questions on DB2 SQL insert values and how to find errors explained. Read More ⇢
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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… Read More ⇢
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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. Read More ⇢
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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… Read More ⇢
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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… Read More ⇢
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IMS DB Command Code Vs Proc Option
The real differences between IMS DB command code and Proc options. Read More ⇢
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