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

difference between MSGSFL AND SFL?

1 3311

what are the commands that frequently used in cl?

1 2778

how to find a "source of particular program"?

1 3160

what does the keyword SFLRCDNBR?

1 2724

is it possible to create a new field dynamically?

1 2606

what is the msg id for OPNQRYF?

1 2844

have you ever know what is the meaning of Packed Decimal

1625

is it possible to write array elements to pf

1643

error code 7030 cpf7030 what is the level check error

1 3259

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

1828

how to handle duplicate records in rpg program?

1909

we cant write data into file using cl program then what is sndf

1707

how do you seton setoff group of indicators

1804

What do you mean by monitor block?

1907

what is the use of overlay keyword

1844

Un-Answered Questions { IBM MainFrame }

What is drop table?

1073

How to get the last record in vsam file in cluster? And how can u get the ksds file records into cobol program?

1097

What is sqlca?

1138

What is a mainframe?

1031

What is explain plan in db2?

1056

Explain the maximum of key fields and search fields allowed in a segment?

3271

I need to compare 3 variables(dates) and do some processing based on the earliest date. There could be more then 1 date record in any of the 3 fields. What is the best way to code this?

2340

Name the cics command used to access current date and time?

1231

What is the difference between drop table and delete table?

1298

Can dynamic calls be used in CICS?

1205

Explain about run unit currency?

961

What is a ci split? What is a ca split?

1281

Are scope terminators compulsory? If they are, when?

1006

What is the meaning of Copy IDMS Subschema-Binds?

1769

What are various search techniques in cobol? Explain.

1121

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