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

What is a set? How may sets be ordered?

832

What is ook-rec?

900

Explain about set currency?

867

Explain about record currency?

854

Explain about run unit currency?

892

Explain about area currency?

851

What is dbkey?

879

Explain about few error status codes of idms.

882

Discuss some of the terminology of idms.

924

Difference between fixed length and variable length records.

843

Explain storage architecture of idms.

844

Is automatic restart possible in jcl?

1220

How jcl work to handle various input output file operations?

1169

Is their any set of rules for dd? Explain.

1194

What is use of restart and how to use it?

1317

Un-Answered Questions { MainFrame }

Differentiate between hdam and the hidam databases?

1044

What is ims (db/dc)?

1049

how you get the relative record in a subfile in which cursor is located?

1106

How do you concatenate the firstname and lastname from emp table to give a complete name?

1077

example for sub strings ? and refernce modifications whit output pls

2317

What is ENQ?

1074

What is the pic clause for the hhmmss type of data fields?

939

What the difference is between continue and next sentence?

1168

How can return codes be tested before execution of a job step?

1482

how to pass the parameters from jcl to assembler pgm?

1109

What are the different types of base tables?

1094

What is a set? How may sets be ordered?

832

How would you understand error(execution phase)?

1252

What is the compute verb? How is it used?

1148

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1300

For More Un-Answered { MainFrame } Questions Click Here