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

Suppose I have a program in cobol name ”careerride” and want to execute the program by jcl. Specify the process?

1184

What are hierarchy levels in jcl?

1581

How dummy is used in jcl?

1208

For what purpose steplib and joblib are used ?

1196

How to alter the parameters for the existing gdg?

1259

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1483

Brief description of inline procedure of jcl.

1333

How would you understand error(execution phase)?

1342

What are the difference between jcl and jes?

1666

How gdg are concatenated?

1178

What is check constraint. Explain with example.

1169

What is dbrm? When it will be created?

1099

Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?

1150

What is dbrm? What it contains?

1221

What does sqlcabc has?

1107

Un-Answered Questions { MainFrame }

Explain psbgen process?

1283

Why we are not able to perform insert delete and update operation in Join logical file?

1520

what are the various types of device files?

1760

What is a lds (linear data set)?

1071

Write a cobol program making use of the redefine clause.

1231

What is a lds (linear data set) and what is it used for?

1063

What is a ci split? What is a ca split?

1281

How to send a sms to a mobile through mainframe vm’s?

1051

define subsystem?

1721

What do you understand by jcl?

1131

What is the difference between PIC 9.99 and PIC9v99?

1411

What are the 2 sqlcodes that are returned?

1243

What is dclgen (declaration generator)?

1121

WHAT IS AS/400 SYNORIO?

3426

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

1059

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