MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

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 12832

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

IBM, JBK,

2 16753

Can we use redefine clause in occurs clause?

10 24811

What is the difference between write & move in COBOL?

CSC, HHB,

3 14907

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

5 16609

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

TCS, Wipro,

2 28868

How can we pass data from cobol to JCl?

ADP, Amdocs, IBM,

7 48734

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

2 11437

How does IDMS communicate with CICS?

Covansys, Satyam,

1 5876

What are the pertinent COBOL commands?

Satyam,

3175

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

10 47047

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

2 7743

How does IDMS insure data integrity?

1 5163

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

2 7138

What is difference between comp & comp-4?

6 22380

Un-Answered Questions { MainFrame }

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

1308

What are s0c1, s0c4, s0c5, s0c7 and socb?

1176

How can the disposition of sysout datasets be set for an entire jobstream?

1343

How to compare data between two tables in db2?

1088

What is the purpose of dd?

1238

how to pass the parameters from jcl to assembler pgm?

1108

What is catelog procedure and how many catelog procedure to use in one job?

8691

Define pcb?

1080

How to print 10 to 1 if the input have only 10 digit number?

1262

Can I cleanly uninstall oorexx?

966

what is the use of IEBGENER utility?

1170

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1546

Why do chiropractors use drop table?

1107

What is db2 command?

1036

Differentiate between ci split and ca split?

1011

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