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

how to edit a tape dataset ? asked in wipro

Wipro,

1 6900

How do we specify index to include or not during bind process.

Satyam,

2072

How to test SQL -911 error while developing COB-DB2 program

Satyam,

1 7445

How does -818 sql error occur? Why does it happen and what can be done to overcome this error code?

RBS,

5 13382

How different is the JCL executing a COBOL program? 1) if the program is using VB file as input. 2) if the program is using FB file as input.

HSBC,

1 6855

How can you execute a COBOL program via SYSIN in JCL?

1 6662

can a job be submitted through jcl only? is there another way to submit a job?

CSC,

2 8493

how we sort two input files based on a common column and giving one o/p file please send me the coding logic?

Valtech,

2081

how we separate the cobol cics statements from cobol&cics programming?

Valtech,

1 5149

what is meant by jobtrac?

CSC,

4 16863

can we maintain 2 generations with different Lengths in Same GDG ?

RBS,

3 25522

diff bw SB37,SD37,SE37 ?( bcz these 3 belongs Space related abends only)

RBS,

4 11432

What is tne need to use sub programs in Cobol?

HSBC,

3 9398

What are the situations u have used in ur project for Subcript and Index ? 1.if u use Subscript why not Index,why u choose Subscript only? 2.if u use Index why not Subscript,what abt Displacement?

Cap Gemini,

2 9103

when GDG version number get changed ? bcz always Generations only increasing.

Cap Gemini,

1 7212

Un-Answered Questions { MainFrame }

what is the purpose of data structure?

1660

what are the three line types in rlu ?

2097

Why do we need integrated cics translator?

994

What is comp-1 and comp-2?

1187

Can you explain multitasking and multithreading?

1077

What will happen if we drop the base register in the program which contains only one basereg?

929

In AS/400 projects in Companies whats the meaning of production support team.what production support involves.also what work does development,maintenance involve what are the other teams or processes that are available for as400 project.

9006

What is the information associated with sysibm.syslinks table?

1058

in conjunction with what other keyword must ovrdta and ovrata be used?

1479

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

921

What is deadlock in db2?

1021

What is the usage of open cursor command?

1040

How to create a login screen using a command instead of display file.... intention is to get a password field on a command..... how do you achieve this...

1822

What is the difference between SEND MAP DATAONLY and SEND MAP MAPONLY ?

1193

Define declaration generator (dclgen).

1068

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