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

IBM MainFrame (5234)
IBM AS400 (1355)
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MainFrame Interview Questions

Questions Answers Views Company eMail

Can you explain referential integrity?

1001

How to find all duplicate records?

983

Can you define notcat 2?

1039

What is the difference between hidam and hdam databases?

961

Can you define foreign keys?

1036

Can you define an alias?

964

Can you define spufi?

912

Can you explain function of dbctl?

1125

Can you define path?

989

How to compare two files by using sort?

1020

Explain identify whether a call statement is a static or dynamic call?

1006

Can you explain create an empty file by using sort?

954

How an empty file to be checked?

1047

Can you explain function of iebgener?

1029

What is the difference between inrec and outrec?

1123

Un-Answered Questions { MainFrame }

What is a page in idms?

867

how do you reference the fixed unblock file formats from cobol programs

1237

Mention the downsides of page level lock.

1161

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

1247

What are IDMS set of occurances?

1351

How to execute 2nd and 4th steps among 5 steps in jcl proc?

1323

I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.

2066

what are the types of abends that occur on job failure? And explain the possible causes of these

1624

Name the 3 common ways to create maps?

1137

What is the main function of key-sequenced data set?

1025

when are the referential constraints executed?

1114

What is drop table?

1011

What is the purpose of control intervals in vsam?

1010

Define the term function request shipping?

1025

Suppose pgm A calling Pgm B .Pgm B has some Db2 program. at the time of compilation should plan and package will be created for both A and B or only B? What is the concept?

8292

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