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?

1049

What is reorg in database?

1 2051

What is the difference between oracle and db2?

1109

What is the difference between db2 and oracle?

1133

What is table space in db2?

1019

How does a cursor work?

989

Which is faster delete or truncate?

1128

What is schema in db2?

1022

What is the difference between nvl and coalesce?

1065

What is package in cobol db2?

1119

Why do chiropractors use drop table?

1109

What are concurrency issues?

1097

What is the latest version of ibm db2?

1269

What do you mean by cursor?

988

What is db2 purescale?

1004

Un-Answered Questions { IBM MainFrame }

Explain about few error status codes of idms.

883

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23641

What is concatenating?

1082

What does the keyranges parameter in define cluster command do?

1051

What is dl/i?

1131

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

1049

In COBOL programming, what is PERFORM? What is VARYING?

1152

What are union and union all?

983

How can the firstname and the lastname from the emp table be concatenated to generate complete names?

1278

How to receive data passed through jcl parm parameter in a natural program?

972

Differentiate between PCT and FCT.

1180

what is uni-rexx?

988

How do define dynamic array in cobol. how do you define single dimensional array and multidimensional array in your cobol?

1246

Explain the processing modes available in ims db?

3627

what is use of space parameter in dd statement?

1283

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