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

What is open data path? And what is the difference between access path and open data path?

1 1763

How to retrieve a physical file after deleting that?

1065

Suppose I have a pf,it contains 5 members,how to access particular member data from logical file ?and what is the use of member in pf?

1012

What is the interactive job?

978

Can we concatenate fields in physical file? If yes how can we do?

1004

What is the batch job?

949

How to know logical file belongs to which physical file without source?

1 2191

When we create a pf and did not fill up maint parameter, then by default which access path will the system take & why?

1051

What is the purpose of dd * statement in jcl?

1248

Explain the difference between record occurrence and record type in idms?

825

What is a page in idms?

829

What is a run unit in idms?

830

What is the difference between a schema and a subschema in idms?

1 1206

When you are obtaining next within a set and get a end of set return code, on what record are you now current in idms?

768

What is a set in idms? What pointers are required, what are possible? How may sets be ordered?

821

Un-Answered Questions { MainFrame }

execution of a subordinate module is caused by the use of the cobol verbs ------------in the superior module

1044

I want my job (careerride) to be executed in 1 minute and 2 seconds. How do I do that?

1198

Explain database descriptor in brief?

976

Explain mdt?

1086

What makes vrrds different from vsam?

1201

How ENQ and DEQ used in CICS?

1408

In COBOL programming, what is PERFORM? What is VARYING?

1113

i want new rexx tool which will perform jcl chk without submitting it

2040

What are the cics tables?

1054

Define perform?

968

What are the main uses of the transaction in the cics?

1008

Can we use DISP=SHR in output file in JCL

1387

What Is The Object Type Of Pf, Lf, Printer File & Display File?

1134

Is automatic restart possible in jcl?

1171

What are iseries servers?

1034

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