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 iseries database?

1013

What is reorg in database?

1 1986

What is the difference between oracle and db2?

1057

What is the difference between db2 and oracle?

1085

What is table space in db2?

977

How does a cursor work?

942

Which is faster delete or truncate?

1088

What is schema in db2?

981

What is the difference between nvl and coalesce?

1025

What is package in cobol db2?

1095

Why do chiropractors use drop table?

1059

What are concurrency issues?

1050

What is the latest version of ibm db2?

1224

What do you mean by cursor?

958

What is db2 purescale?

963

Un-Answered Questions { IBM MainFrame }

)If there are 10 steps in GDG, if I want to refer the step2 after step5 . what should I do?

1975

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

870

what are the types of abends that occur on job failure? And explain the possible causes of these

1576

how can we define a gdg?

917

What is the meaning of Copy IDMS Subschema-Binds?

1647

What are hierarchy levels in jcl?

1489

What is the maximum size of varchar data type in db2?

1087

What are packages in db2?

990

Can you explain common systems area?

1050

How to retrieve rows from a db2 table in embedded sql?

1358

Explain the different system tables used in cics?

972

Kindly specify the pic clause for the hhmmss type of data fields?

1022

What is interval control?

1076

What is currency in idms?

925

What is an mdt (modified data tag)?

986

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