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 7606

Can you Average the Characters ?

3 6300

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

1 4413

What is the use Free space in CI ?

4 8894

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

3 7006

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

Hewitt, TCS,

2318

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

Hewitt,

1 5436

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

Hewitt,

2 7064

how would you resolve sb37 and SE37?

Hewitt,

2 16990

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

Hewitt,

3 9050

how to display the dataset information?

2 6358

what is s013u000 for?

Hewitt,

1 5420

What is DCLGEN ?

3 8664

what is SPUFI ?

2 7670

How can you Define and Install the Maps & Mapset ?

5 11942

Un-Answered Questions { IBM MainFrame }

Why do we use "drop"?

1057

What is a dbrm in db2?

1081

In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

1516

Are there any set of rules for the names of the steps used in a job?

1177

Can a Search can be done on a table with or without Index?

1335

What are bind parameters in db2?

1100

how do you reference the ksds vsam file formats from cobol programs

1249

What is the use of db2?

1118

explain the means of supporting pseudo conversation programming. (Eg. Storing and restoring of states, control flow, error handling)?

1117

What is the difference between spufi and qmf?

1211

How scary is it to write code for a bank?

1055

How to take backup of table in db2?

1131

IF I mention stop run in CICS what happens?

2433

How to access db2 tables in mainframe?

1106

Explain the maps in cics?

1238

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