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

What is the use of EVALUATE statement?

Tesco,

4 10892

What is the difference between a binary search and a sequential search?

3 8903

What is an in line PERFORM? When would you use it? Anything else to say about it?

4 9589

Difference between next and continue clause

Kanbay,

4 9995

What divisions, sections and paragraphs are mandatory for a COBOL program?

Arigo Infotech,

8 27341

What is the mode in which you will OPEN a file for writing?

4 13183

What is the difference between static call & Dynamic call?

CSC, TCS,

2 9154

What is 77 level used for ?

IBM, iGate,

12 66472

What is report-item?

IBM,

1 7112

What is the difference between SEARCH and SEARCH ALL? What is more efficient?

IBM, iFlex, Wipro,

9 35227

How do you code Cobol to access a parameter that has been defined in JCL?

3 9725

What is the different between index and subscript?

3 8605

What is Comm?

IBM, Kemper Corporation,

2 7942

COMP-3 field occupy ?

8 20895

What is the difference between a subscript and an index in a table definition?

TCS,

3 11269

Un-Answered Questions { IBM MainFrame }

What is meant by mpp mode?

1197

What is the main function of the sign-on table?

1125

What is database alias db2?

1184

Explain packages.

1177

what is difference bt COND, REGION & TIME parameters at JOB & EXEC. give an exp.

9183

What is plan in cobol db2?

1210

Explain cedf transaction commands?

1190

What is a db2 package?

1132

What are the steps involved in access method services?

1009

What is role in db2?

1167

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

1025

If you are current on the owner of a set, what is the difference between obtain next and obtain first?

1446

What is the syntax for creating a table in the db2 database?

1150

What makes vrrds different from vsam?

1305

What are storage attributes of records?

965

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