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

What is lock contention?

1 5647

Assuming that a site's standard is that pgm name = plan name, what is the easiest way to find out which Will precompile of an DB2-COBOL program bomb, if DB2 is down?

1 4517

What is COPY PENDING status?

6 37022

What is IMAGECOPY ?

6 39720

What are the functions of Bind?

Amdocs, IBM,

2 8594

What is a cursor?

2 6569

When is the authorization check on DB2 objects done - at BIND time or run time?

1 13750

What happens to a tablespace when its recovery infromation has been removed and a full recovery is no longer possible?

2 5609

What can the Locate option of the Repair Utility accomplish?

2 5647

What is an access path?

3 6652

What is pagespace?

1 4437

On the create tablespace, what does the CLOSE parameter do?

1 5200

What is an alias and how does it differ from a synonym?

3 13194

What are the advantages of using a PACKAGE?

2 20923

What do you mean by NOT NULL WITH DEFAULT? When will you use it?

3 18959

Un-Answered Questions { IBM MainFrame }

What is performance tuning db2?

1068

Write about a ‘view’ in brief?

980

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

1293

What is a vsam dataset?

1037

Write the code to count the sum of n natural numbers.

1214

Can you define a gdg?

999

What is meant by a ‘Transid’ ?

1057

what would I use uni-rexx for?

965

What is the type of ppt in the cics?

1013

Explain the function of the terminal control table?

1018

Does qtp tool support mainframe application testing?

1097

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

How do you submit a job for execution?

1115

How dummy is used in jcl?

1153

What is the maximum length of sqlca?

1533

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