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

In ProgramB there is a SBMJOB, which is a call to program C .There is also a CALL to program D from B. How would you check the program C has been executed in D?

4 11318

How do you find whether a record is locked or not?

2 7764

What is the difference between RPG/400 and RPG4

HCL,

1 13297

How do you find whether a job is a batch job or interactive?

4 10207

What you have to do in the display file when you are using message subfile?

1 5969

How to set on/off a group of indicators in a single statement?

3 11288

How can you determine the number of characters in a variable?

3 9852

Let?s consider a variable X of length 20. Move value ?ABC? to it.How to determine how many characters does X have?

1 6160

Suppose you have 3 members in a database file. How to read records from all the members without using CL (OVRDBF) i.e. Entire process should be handled exclusively in a RPG program?

7 12499

How do you do indexing in a physical file?

2 9834

Can an indexed file be accessed in arrival sequence in RPG?

3 8606

When will DUMP & DEBUG be ignored?

IBM,

3 10236

what is the necessary command needed before OPNQRYF and why?

5 27210

Can you copy the records created by the OPNQRYF to other files and how?

2 8875

What are different ways to pass data between programs and which one is the efficient way?

5 11949

Un-Answered Questions { MainFrame }

What is jcl in mainframe?

1201

what is the use of dspatr(mdt) keyword?

2258

Name the sections present in data division.

1248

Explain the data storage?

1006

suppose oza017.myorg.emp has 100 records ,oza018.myorg.staff has 200 records but 50 are the common records in both files copy all the common records into oza017.myorg.xyz dataset?

1009

Explain the difference between a return with transid and xctl? For example program. A is issuing return with transid to program b. Program a. Is isssuing xctl to program b?

1049

how are start and xctl different?

967

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2129

What is the Difference between command attention key and command function key ?

1381

How to compare data between two tables in db2?

1088

Explain various types of locks in db2?

1158

What is a region in idms?

896

How can we arrange duplicate records in a file?

1087

What are the different types of base tables?

1097

Explain how to find occurrence of mu and pe fields in a file?

932

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