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 Purpose of POINTER Phrase in STRING command

3 16919

What does the INITIALIZE verb do?

1 11512

Can you call an OS VS COBOL pgm from a VS COBOL II pgm ?

Microsoft,

3 7673

When would you use in-line perform?

2 6637

How do you come out of an EVALUATE statement?

3 9060

what is the difference between external and global variables?

1 17490

What is file status 92?

3 28086

What is the difference between SEARCH and SEARCH ALL?

Cognizant,

6 14739

comp-3 field occupy?

5 9684

How is sign stored in a COMP field ?

Accenture,

3 23874

What is LENGTH in COBOL II?

CSC,

2 11221

What is the LINKAGE SECTION used for?

4 9072

What is Redefines clause?

8 21954

What are the different forms of EVALUATE statement?

IBM, Micro Labs,

2 15319

Describe the difference between subscripting and indexing ?

2 6412

Un-Answered Questions { IBM MainFrame }

Tell about how do you eliminate the duplicates?

946

Does jcl support automatic restart?

1188

Tell about the ams used in vsam?

1122

Explain referential integrity?

1052

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3938

What is mainframe testing?

1027

can we view the access paths created by dbrm ? how ? thx

6982

Explain cebr transaction commands?

1007

what is the sqlcode -501

12929

Can we see the copy book length using file-aid?

856

What is the function of entry sequenced data set?

1024

How do you overcome this limitation ?

1161

Define data page.

1016

What are the distinctive features of a ksda, key sequenced dataset?

943

What is a set in idms? What pointers are required, what are possible? How may sets be ordered?

801

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