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

How do you select a row using indexes in db2?

1137

When reorg is used?

1129

What are the various isolation levels possible?

1122

How can you do the explain of a dynamic sql statement?

1069

Can you use max on a char column?

1097

List some fields from sqlca?

1060

Explain what are the various isolation levels possible?

1044

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

1090

What is the use of value function?

1151

If I have a view which is a join of two or more tables, can this view be updateable?

1139

What is the result of open cursor statement?

1083

How would the varchar column remarks defined?

1090

What is the distinction amongst include and copy?

980

How to send a sms to a mobile through mainframe vm’s?

999

Express the distinction between jes2 and jes3?

1180

Un-Answered Questions { IBM MainFrame }

What is a trigger in the db2 database?

1084

Explain the difference between null compression and default compression?

947

What is package in db2 mainframe?

989

What is the use of commit in db2?

1083

Is ibm db2 free?

1014

what happens if parmparameter passes zero bytes to the program

2133

how long does the install of oorexx take?

1014

How many databases are there?

1054

Can you define ppt and what are its uses?

1071

What is the Purpose of POINTER Phrase in STRING command in COBOL?

1256

how will you find a particular line in debugging if its a infinite loop

1761

what is the syntax of ams modal commands?

1264

What are the different rules for performing sort operation?

1224

What is meant by union and union all?

1012

What is the default value(s) for an initialize? What keyword will allow for an override of the default?

1123

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