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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

Can we use empty VSAM as input?

Convergys, Kanbay,

9 24192

What is the use of TRT instruction and how it is working?

HCL, IBM, Wipro,

7 31013

What is GDG and what is the maximum limit of versions that can be created?

Convergys,

9 45933

What is the use of the utility DFSRRC00 in the JCL?

Convergys,

2 37102

If there are five steps in a JCL i have to execute the 3rd step, bypass the 4th step and execute the 5th step how do i do this?

Cognizant, Convergys, IBM, TCS, Wipro,

13 67629

What is the use of DUMMY statement in the JCL? What is the use of DUMMY Utility in the JCL?

Convergys,

12 65441

what is the difference between the JCLLIB and JOBLIB ,and where do we use it ?

Convergys,

3 18457

Given a input file with duplicates how to remove the duplicate records from the file using JCL?

CDS, Convergys, TCS,

6 29403

What is the difference between START and XCTL? How do you determine when to use either option?

 2 15402

how can we establish a link between two maps using a cobol application program....lets say how can u use 'back' in a map ..to come back on previous .

Attra Infotech,

5 14294

In the RECON, what always sets the IC NEEDED flag on for a registered DB?

 3 6001

What is the difference between HDAM & HIDAM DB types and when would you use each?

 1 12604

What are the valid recovery points?

 1 4314

When do you do Build DBD, PSB for making changes in ACBLIB?

 1 7273

Which DB access method (OSAM or VSAM) is used for primary index or secondary index and why?

 1 5740

Un-Answered Questions { IBM MainFrame }

What are the uses of ppt in cics?

545

How to find schema of a table in db2?

573

i want a program using by if, evaluate , string, unstring, perform, occurs?

4065

What the difference is between continue and next sentence?

665

what is utility for parm lib

1886




Explain about ISPF/TSO Commands

1315

What kind of error is trapped by on size error option?

743

Explain how do you dynamically set the cursor position to a specific field?

618

what are the differences between and exec cics xctl and an exec cics link command?

710

Name and explain the three location modes?

1020

Explain isolation level?

637

How does the jcl specify the job to os?

696

What is jcl in mainframe?

692

In which area will you utilize 88 level items in cobol?

724

What is the difference between structured cobol programming and object alternativelyiented cobol?

757

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