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

Common VSAM Error conditions and codes

1 7521

Can you Average the Characters ?

3 6165

Is CA(Control Area) is part of CI(Control Interval)

1 4330

What is the use Free space in CI ?

4 8718

Is CA(Control Area) is part of CI(Control Interval)

3 6852

how to know that the file has 300 records how to acess it?

Hewitt, TCS,

2265

where did you see the information regarding abend codes in jcl?

Hewitt,

1 5316

if we have a 10 steps how to override the 4th step in jcl?

Hewitt,

2 6938

how would you resolve sb37 and SE37?

Hewitt,

2 16822

if you give cylinder(1,1)how many cylinders it will be allocate?

Hewitt,

3 8906

how to display the dataset information?

2 6223

what is s013u000 for?

Hewitt,

1 5309

What is DCLGEN ?

3 8514

what is SPUFI ?

2 7546

How can you Define and Install the Maps & Mapset ?

5 11676

Un-Answered Questions { IBM MainFrame }

How you can characterize tables in cobol?

1192

What is the difference between bind and rebind in db2?

1444

How do you find whether any generations exist under a gdg base?

1038

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

1044

define cond parameter in jcl?

1266

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.

3198

What is the pic clause for the hhmmss type of data fields?

925

What is the common systems area?

1050

How to remove the spaces at the end of each record in the output file of variable length, via cobol program?

1163

What is dl/i?

1124

What are the pertinent COBOL commands?

3168

Comment whether the cursor is closed during commit or not.

1094

What is the physical storage length of the data types date, time, and timestamp?

1084

What is ibm db2 database?

998

What is null in db2?

1017

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