IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
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IMS (143)
IDMS (107)
Natural (81)
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CLIST (6)
QMF (32)

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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

Can anyone provide me the source code for LOC(lines of code) counter written in REXX language which can run on IBM mainframe z/OS V1R4. The LOC counter should be able to count the comments,lines of code,blank lines in a COBOL program and JCL's

Wipro,

2665

What is the meaning of the following declaration : DCB=BLKSIZE=, What is the difference between above declaration & not specifying DCB at all for a output file?

1 5552

Please any one can tell me,What are the tools for pl/1 project in real time scenario?(what are the version control,debugging and files related tools)?

1 3224

What is difference between com and com3? Eg. s9(4) so what is the memory it will occupy com and com3.

2 8429

what is index and how to use two tables using index?

1 6277

What is db2 isolation?

2 7345

Update command

1 4511

What is cursor?

2 5641

Suppose there are 10 steps in a PROC, I want to execute only step5. How do you give the condition in the JCL that calls this PROC?

IBM,

3 10628

What is the default value of DISP parameter?

IBM,

3 30797

What is the default value of DISP for temp datasets

IBM,

5 14066

How to Write the RESTART Logic Using COBOL?

GalaxE, L&T, Syntel, TCS,

4 21346

My IMS main progam is calling Db2 subroutine ...Its giving - 923 db2 sql code..so could any one tell how to solve this issue.

Cap Gemini,

3591

what is the maximum error code in mainframe

2 9836

Hi Devolopers.. i need ur help.. i have 3 years of exp in Manual testing and SQL, next month onwards i shifted in to MAINFRAME TESTING... i have ZERO Knowledge abt mainframes.... PLS SUGGEST ME WHAT I LEARN in AMEERPET? mainframe testing or mainframe total devolopment subject... AS a devoloper u know every thing tester what to do PLSSSSSSSSS help me ITS VERY URGENT...

1 4494

Un-Answered Questions { IBM MainFrame }

What rules are to be followed while using the corresponding options?

1060

I have to write to a outfile where the number of records in that file should be the header of that file using IMS.. can anyone help me in this issue

2531

how do we describe static call and dynamic call?

1009

why ci and ca splits are not possible in esds and rrds?

1155

What is the role of the data page in the db2 database?

1024

Is db2 a mainframe database?

997

Explain identify whether a call statement is a static or dynamic call?

1004

IIN APITUDE THEY GAVE ONLY 10 QUESTIONS.. THEY ARE SIMPLE ONE FROM NUMBER SERIES,BOATS,TIME & DISTANCE,PROFIT &LOSS,FIND OUT THE NUMBER ? 9 25 4 36 81 64 49 AND surveillance SPELLINGS E.T.C

2180

How many maximum base registers we can have in a single program?

1101

Differentiate between control interval (ci) and control area (ca)?

1005

i have 10 names in an array and my name is one of them also array is not in sorted order i need to display my name using index how will i do this

1534

What is downtime and what might be the reason?

1097

Which isolation level provides highest data integrity?

1114

can we view the access paths created by dbrm ? how ? thx

7088

What is dbkey? Explain.

843

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