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

IBM MainFrame (5234)
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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?

1115

What are hierarchy levels in jcl?

1522

How dummy is used in jcl?

1149

For what purpose steplib and joblib are used ?

1140

How to alter the parameters for the existing gdg?

1204

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?

1399

Brief description of inline procedure of jcl.

1258

How would you understand error(execution phase)?

1252

What are the difference between jcl and jes?

1612

How gdg are concatenated?

1119

What is check constraint. Explain with example.

1109

What is dbrm? When it will be created?

1029

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

1082

What is dbrm? What it contains?

1163

What does sqlcabc has?

1055

Un-Answered Questions { MainFrame }

Why is it necessary that file needs to be opened in I-O mode for REWRITE?

1326

What are declaratives and what are their uses in cobol?

1205

what are the basic features of seu?

1199

What is syscat in db2?

1010

What are the parameter we cannot use in procedure? How many instream we can write in single jcl?

1076

How many maximum base registers we can have in a program?

1031

What does db2 mean?

1017

have you ever know what is the meaning of Packed Decimal

1574

What is host variable in db2 cobol?

1077

Define concatenating?

1101

I have physical file with 100 records,there is no any duplicate records in this pf.based on this pf one logical file I have used.but this lf is viewing only 80 records only of that pf?what is the reason for this?

1106

What does runstats do in db2?

1119

What is the function of //cntl statement?

1336

how do you intitiate another transaction?

1173

What is RETURN CURSER LOCATION in subfile?

1573

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