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 3229

what are the commands that frequently used in cl?

1 2687

how to find a "source of particular program"?

1 3099

what does the keyword SFLRCDNBR?

1 2644

is it possible to create a new field dynamically?

1 2516

what is the msg id for OPNQRYF?

1 2770

have you ever know what is the meaning of Packed Decimal

1576

is it possible to write array elements to pf

1592

error code 7030 cpf7030 what is the level check error

1 3160

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

1767

how to handle duplicate records in rpg program?

1838

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

1665

how do you seton setoff group of indicators

1752

What do you mean by monitor block?

1857

what is the use of overlay keyword

1791

Un-Answered Questions { IBM MainFrame }

name a few common vsam status codes?

1065

How do I import a csv file into db2?

995

How is data retrieved from multiple tables using a single sql statement?

1042

What are foreign keys in db2?

1110

What is meant by comp-3 and what is it used for?

1039

Can you define ppt and what are its uses?

1071

If an array is multi-dimensional dynamic array how do you deal with it & provide me some examples?

2459

Can I redefine an x(200) field with a field of x(100) ?

1219

What do you mean by CEMT?

1245

whats the diff bw the evaluate also and and?

2347

how to do automated restart when a job abends?

1385

Explain what is the massinsert option?

1074

How to submit a jcl from cics?

1152

State all the file open modes?

1081

What is a db2 tablespace?

1071

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