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 do you use a control card?

IBM, iNautix,

3 32671

How do you submit JCL via a Cobol program?

Cap Gemini,

2 21673

How do you submit a JCL under CICS environment ?

IBM,

1 8609

What is the parameter to be passed in the job card for the unlimited time , irrespective of the job class ?

IBM,

2 10022

Definition of COND parameter in JCL

TCS,

5 26125

What is meant by S0C7 system abend code?

8 31373

How to pass the temp dataset form one JOB step to another?

IBM,

6 24825

What is QSAM error usually when it is occurs?

1 8301

What is the purpose of include statement in a JCL?

2 12530

What does S0C4 error mean?

8 55844

In which table PLAN is registered in ?

3 8642

What is GDG?

1 7628

what do you mean By spooling? Expand SPOOL?

4 17376

For how long a job can be executed continuously in a mainframe ?

4 21712

Max. No of DD statements in a job ?

CSI,

4 18814

Un-Answered Questions { IBM MainFrame }

I HAVE 500 ROW TO UPDATE I WOULD LIKE TO USE ROLLBACK ALONG WITH COMMIT.WHAT IS THE SYNTAX TO CODE COMMIT AND ROLLBACK FOR EVERY 100 ROWS.AND HOW THE CURSOR ROLLBACK TO THE LAST COMMITTING POINT.

3202

What is with ur in db2?

1302

What makes vrrds different from vsam?

1237

How to Create a Prompted Query?

1762

Tell me can we update with histogram?

1138

Can we see the copy book length using file-aid?

897

How can the duplicate values be eliminated from db2 select?

1100

When space is allocated for an output dataset, what units can be used?

1259

How to Provide Column Names Using the DRAW Command ?

1526

What is the need of a secondary index in IMS?

1058

What is a set? How may sets be ordered?

828

What is collection in db2 bind?

1010

In real storage usage. By monitor through rmf iii the usage of real storage keep in increasing everyday. Why this happen?

860

Where do you specify them?

1271

What is the maximum number of segment types allowed for a single database?

1122

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