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 3147

what are the commands that frequently used in cl?

1 2599

how to find a "source of particular program"?

1 3028

what does the keyword SFLRCDNBR?

1 2570

is it possible to create a new field dynamically?

1 2427

what is the msg id for OPNQRYF?

1 2703

have you ever know what is the meaning of Packed Decimal

1535

is it possible to write array elements to pf

1544

error code 7030 cpf7030 what is the level check error

1 3057

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

1734

how to handle duplicate records in rpg program?

1759

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

1615

how do you seton setoff group of indicators

1712

What do you mean by monitor block?

1818

what is the use of overlay keyword

1725

Un-Answered Questions { IBM MainFrame }

What are the types of the dfhmdf present in the cics?

958

what is the meaning, the advantages and which are the types of evaluate statement?

1010

What are IDMS set of occurances?

1292

How do you find whether any generations exist under a gdg base?

996

if we want to use a gdg which is already created by some job, then how to use the reference of the last generation in a jcl?

2240

what is a corelated subquerry?

1077

Highlight all the advantages that are attached to a package.

1089

What does a store statement do?

1496

What is rct?

1184

How can you quickly find out the # of rows updated after an update statement?

1004

What is adabas?

951

What is the LINKAGE SECTION used in COBOL?

1481

What is the primary aspect of CICS?

1067

How do you define a variable of comp-1 and comp-2?

1153

What is buffer pool in the db2 database?

1058

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