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

Explain the like inverted list?

1002

Explain what happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1027

Explain how to find occurrence of mu and pe fields in a file?

994

Explain control variable in online screens?

1060

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1192

Explain the data storage?

1065

What is the difference between read(1) and read work file once?

1120

Explain how to move cursor to a particular field when position is not known?

1089

Define cobol coding sheet?

1067

How to receive data passed through jcl parm parameter in a natural program?

1046

Explain how are you going to remove duplicates from the file that is being read?

1081

What is the difference between escape(top or bottom) and escape immediate(top or bottom?

1117

How can we see the copy book length using file-aid?

1020

What are the sub parameters for undo command?

1151

What is the structure and definition for the same?

1068

Un-Answered Questions { IBM MainFrame }

What is the utilization of copybook in cobol?

1288

What are declaratives and what are their uses in cobol?

1267

Write a cobol program making use of the redefine clause.

1231

What is Framework & How it work?

2172

Explain how to access vsam file?

1146

Which statement is used to identify the private libraries in job?

1252

Can you explain function of dbctl?

1177

If we say that bms length of field = 0, then what does that mean?

1334

Why do we need integrated cics translator?

1134

What are the contents of a dclmgen?

1184

What is distributed relational database architecture? And components?

1065

What is null value in db2?

1080

What r the comman abends in db2, jcl and cobol???????

2314

State the maximum number of tables that can be joined?

1046

Explain the different ways of initiating transaction in cics?

1000

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