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

I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 4401

There is a variable with value 19446. Requirement is to convert it to 194.46. I tried it by doing divide by 100 and my receiving field data type is 9(03)v99. But the output is 194. I am not getting the decimal value. Could anyone pls let me know how to get this done?

2 6411

how to access the file from prodution from changeman tool and to submit a file to production

IBM,

1 7449

if a file has 1000 recods how copy the records from 1 to 100 records using sort

IBM,

4 8359

WHAT IS NULL INDICATOR ? WERE IS THIS USED? AND IF IT IS USED IN FILES CONCEPT? HOW DO WE USE IT?

IBM,

2 6852

what is cursor stability?

IBM,

2 6077

how do we solve soc 7 and soc4 ?

Tech Mahindra,

3 10409

how the control comes back from subprogram to mainprogram

IBM,

3 7252

if a dataset is already created with fixed length but after that i want to change fixed length to variable length then how is it possible

IBM,

3 9054

what is the difference between perform varying and perform until

TCS,

4 20285

Hi Dude,this is Ram.could any one tell me aboue CURRENT OF clause in DB2. Thanks in advance.......

2 5082

what is SYNCHRONIZATION?

Syntel,

3 7616

how to check the table is empty or not?

IBM,

3 11468

give the examples of strings in cobol

IBM,

1 5146

what is the difference between where clause and having clause

IBM,

2 8753

Un-Answered Questions { IBM MainFrame }

What are the types of the dfhmdf present in the cics?

948

What statement can be used to send data to another mvs jes3 node?

1576

explain in brief how you can create a vsam file?

1080

What is difference between static and dynamic call in cobol?

1303

How IBM framework work?

2181

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

924

Explain dbdgen process?

1026

Explain about record currency?

807

For what purpose steplib and joblib are used ?

1077

What Are Send Map Maponly & Send Map Dataonly ?

1154

What is bmp mode?

3481

Is it possible to define dd statements as you want?

1068

I executed one job and I forget to save the final JCL. But took an XDC from SPOOL. Now I want to recover the JCL from XDC dataset. Is there any process to do this?. (Manually it takes a lot of time). Is there

3008

What is non-conventional programs?

1033

How do I delete a table in database?

978

For More Un-Answered { IBM MainFrame } Questions Click Here