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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

why we are using picture clause in the cobol programs?

2 7378

i need a small 3d program using inline and outline.

2203

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

1 4717

I found some good questions/answers regarding IMS here:

3053

How to execute step2,step5,step7 of a proc of 10 steps? You are not allowed to change in JCL.

IBM,

3 14733

What is the logical entity between plan and Package?

5 8893

IN DFSORT sum fields=none is usec to remove duplicates.how to write the duplicates in another dataset?

2 13744

is it compulsory commitment control in journal?

TCS,

2474

How to delete the records of a dataset through cobol programme?We should not use jcl utilitities like IDCAMS.

2 9595

What are the common jcl syntax errors you get? This is not abends?

1 6363

suppose a cobol programme A calling programme B,C and D. If C undergoes some change what if A,B,C,D need to be recompiled or only C nee to be recompliled.

IBM,

2 8798

How do u know what version of cobol u are using?

3 15686

How can you create a VSAM dataset? Can you write a JCL for it?

IBM, TCS,

4 23487

What's the difference between DB2 active log and archive log? Thanks a lot...

IBM,

2 13364

how will you retrieve first record in table

UST,

1 6181

Un-Answered Questions { IBM MainFrame }

If anyone has IBM Certification Dumps pls forward to me & also let me know what are the Certification Codes that are available in DB2

2039

What is dpf in db2?

1101

What is null value in db2?

1016

what is an mdt (modified data tag)? Its menaing and use?

1127

Which command is used to connect to a database in DB2 ? Give the Syntax.

1102

What is the reason behind not using select * in embedded sql programs?

1106

Express the distinction between jes2 and jes3?

1164

Explain the difference between and exec cics xctl and exec cics start command?

1139

What is alias in db2?

1051

What is difference between isnull and coalesce?

1052

pls send the docs of any telecommunication mainframe project

2164

What do you mean by the term fct?

968

When an area sweep is used?

834

What are the different data types in cobol?

1429

What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

8756

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