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

which SQL comment successfully removes uncommitted changes from a DB2 database A) rollback B) delete C) drop D) decommit

Accenture, Wipro,

2 12953

how do we do unit testing in mainfrmae. explain step-wise.

IBM, JBK,

2 16921

Can we use redefine clause in occurs clause?

10 25162

What is the difference between write & move in COBOL?

CSC, HHB,

3 15053

What is the meaning of 'TALLING' verb in cobol?

5 16851

What is the meaning of 'Eject' verb in cobol?

TCS, Wipro,

2 29020

How can we pass data from cobol to JCl?

ADP, Amdocs, IBM,

7 49094

How include time & date in the report generation in cobol programing?

2 11574

How does IDMS communicate with CICS?

Covansys, Satyam,

1 5957

What are the pertinent COBOL commands?

Satyam,

3245

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

10 47417

How can you pass values from COBOL program to non-COBOL programs?

2 7881

How does IDMS insure data integrity?

1 5262

What are the functions like c or c++ in cobol?

2 7237

What is difference between comp & comp-4?

6 22676

Un-Answered Questions { IBM MainFrame }

What is a trigger in the db2 database?

1153

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

1435

Can we give +2 instead of +1 while creating a new gdg file?

1035

Give a brief description of db2 isolation levels?

1146

What is mainframe cics?

1169

Mention the way of highlighting as well as putting a cursor to use in a cobol program.

1149

What is the return codes 0307 and 0326?

1036

can oorexx run normal rexx programs?

1072

Difference between cobol and cobol-ii?

1351

Explain the two ways in which dl/i interface can be invoked?

3601

For protecting a transaction using the transaction security function, the two things that must be done are?

2419

How to pass data to a program that is coded in an exec statement?

1393

Can you explain control variable in online screens?

1037

can oorexx run ibm object rexx programs?

1061

What is downtime and what might be the reason?

1188

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