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 get the data to code the BMS macro?

IBM,

1963

what are the working storage fields in BMS macro?

IBM,

2 3635

what is the difference between PA & PF keys?

IBM,

1 5218

Whats the difference between search & search ALL?

IBM,

3 6521

If I want to increase the Limit in GDG. What should I do?

IBM,

1 6322

how do u list the abended jobs?

IBM,

1 4373

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

IBM,

2009

What is ASKTIME, SUSPEND

IBM,

1 4972

) what is the difference between AID and HANDLE AID?

IBM,

2149

) What is the use of IGNORE?

IBM,

1 4882

what is ASRA, AEY9?

IBM,

2 7065

what is the difference between Plan & package

IBM,

3 7303

) How do u handle errors in BMS macro?

IBM,

1961

what is the difference between Plan & package?

IBM,

1 5458

) How do u handle errors in BMS macro

IBM,

2045

Un-Answered Questions { IBM MainFrame }

What are the various isolation levels possible?

1116

Name and explain the three location modes?

1356

Can we update view in db2?

1000

What are the 2 sqlcodes that are returned?

1185

Explain how does idms communicate with cics?

900

How long have you been working on mainframes?

966

IF I mention stop run in CICS what happens?

2371

What are the prerogatives?

1078

I have to write to a outfile where the number of records in that file should be the header of that file using IMS.. can anyone help me in this issue

2530

What is isolation level in db2?

1001

What is the maximum number of columns in a db2 table?

1279

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1351

what is the purpose of coding class parameter in job statement?

1261

What is dbrm library?

1049

SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

11673

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