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?

1073

What are hierarchy levels in jcl?

1490

How dummy is used in jcl?

1107

For what purpose steplib and joblib are used ?

1097

How to alter the parameters for the existing gdg?

1160

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?

1345

Brief description of inline procedure of jcl.

1205

How would you understand error(execution phase)?

1203

What are the difference between jcl and jes?

1562

How gdg are concatenated?

1082

What is check constraint. Explain with example.

1062

What is dbrm? When it will be created?

989

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

1052

What is dbrm? What it contains?

1126

What does sqlcabc has?

1014

Un-Answered Questions { MainFrame }

Is it slower if you access a record through alt index as compared to primary index?

994

How to convert a spool file to PDF file in AS400?

1197

What is a cursor in programming?

1028

Explain how to build up lu 6.2 communication?

1000

What is the role of data manager in the db2 database?

1069

How can you count the number of rows from a table tab?

1059

Can we debug the MSGW JOBS?

1297

State the maximum value up to which volumes can be inserted to an stogroup?

1022

Is it possible to obtain a record from IDMS database without mentioning the record-name itself?

1310

Are scope terminators compulsory? If they are, when?

926

Mention the different locking levels that are available in db2.

1106

Explain dd statement in jcl?

1072

Explain about the file objects in vsam?

1007

Mention some fields that are a part of sqlca.

993

On which levels locks can be applied?

1081

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