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 7394

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

2212

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

1 4722

I found some good questions/answers regarding IMS here:

3061

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

IBM,

3 14749

What is the logical entity between plan and Package?

5 8906

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

2 13757

is it compulsory commitment control in journal?

TCS,

2478

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

2 9609

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

1 6376

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 8812

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

3 15714

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

IBM, TCS,

4 23516

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

IBM,

2 13368

how will you retrieve first record in table

UST,

1 6186

Un-Answered Questions { IBM MainFrame }

what is the right time for using in-line perform?

1045

what are the various stages of job processing?

1284

What is an area sweep?

890

What is the maximum value that can be stored in s9(8) comp?

1049

What do you know about jcl?

1141

What are the types of record locks and how are they set?

1600

What is the copy idms subschema-binds?

830

) how do u code after getting data?

2153

With the use of an alternate index, how is a VSAM file accessed?

1096

what do you mean by define model parameter?

1151

when a task suspends all the handle conditions via the push command, how does the task reactivate all the handle conditions?

1177

Can min or max be used with alphanumeric data?

981

Outputs of explain are with matchcols = 0. What does this signify?

1060

How connect db2 database to datastage?

1243

What is the use of access method services in vsam?

1059

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