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 reference the variable unblock file formats from cobol programs

1325

how do you reference the fixed unblock file formats from cobol programs

1234

Write a program that uses move corresponding.

1142

State the various causes of s0c1, s0c5 and s0c7.

1078

What do you understand by psb and acb?

1119

How to remove 2 duplicate records and copy only one using job control language?

1215

what is amode(24), amode(31), rmode(24) and rmode(any)?

1141

Write the code to count the sum of n natural numbers.

1206

What are declaratives and what are their uses in cobol?

1199

How do you reference the fixed block file formats from cobol programs

1227

how do you reference the rrds file formats from cobol programs

1573

Write a cobol program making use of the redefine clause.

1177

What do you understand by passing by reference and passing by content?

1 1608

how do you reference the ksds vsam file formats from cobol programs

1185

What are various search techniques in cobol? Explain.

1066

Un-Answered Questions { IBM MainFrame }

What is the cics command level?

1050

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

993

How do get the result of your program directly on your pc?

2337

Explain the difference between link xctl?

1003

What is the difference between record occurrence and record type in idms?

849

What are all the divisions of a COBOL program?

1214

How to define a vsam file in cics getting into cics to define a vsam file.

1156

to use the rewrite command, how should the vsam file be opened?

1308

what is the sqlcode -501

13137

How many databases can be created inside an instance in db2 ?

1031

Is the order of the when clause important in an evaluate statement? Is the order of the when clause significant in an evaluate statement?

947

What are the rules of the move verb?

1264

What is dbkey? Explain.

843

What is an instance database?

1049

Is mainframe an operating system?

929

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