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 tools are available in PL/1?

1525

What is the use of DEFINED attribute in DCL statement?

1 4927

What is the difference between DEFINED attribute and LIKE atrribute.

1 5735

What is the difference between bulitin fuction VERIFY and INDEX?

2 5356

What are the CONDITIONS in PL/1?

1 5910

How we can disable the enabled CONDITIONS.

2 5221

What is IBM CLIST (Command List)?

1 3817

What is Time Sharing Option (TSO)?

1 4432

What is Multiple Virtual Storage (MVS)?

1 3503

What is OS/390?

1 2883

How to Execute CLIST?

1 3303

what is the difference between implicit and explicit scope terminator with example?

1 8698

How to implement function keys in cics ...Interview ask me there is requirement to include two function key in the program F1 and F2 Keys...when F1 key is press record should be inserted into database after reading the input file and when F2 is press ,record should be updated in databased...explain about the entire process including testing also..?please expain in step by step ?

HeadStrong, Polaris,

1 4865

There is map and length of field need to modified, let take cust id=2 is previous of 2 byte and now it has to be 5 byte ? how to modified the cics code ?what are change need to done ? where where u will do change ?

3 5198

What is the advantages of using IDMS compared to other database systems?

1392

Un-Answered Questions { MainFrame }

how to pick up the changed records every time in a subfile after the first change made ?

1816

What is the need of running runstats in the test environment?

1077

what is DSN in JCL and what are the parameters to declare the DSN?

1198

Explain the advantages of adabas?

1017

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

973

what is use of dsn parameter in dd statement?

1161

How to access db2 tables in mainframe?

1054

What is the difference between using bind () and rebind () methods of naming class?

1401

What is downtime and what might be the reason?

1109

Explain the different ways of initiating transaction in cics?

949

WHICH REPLY CODE IS USED BT sftp ? ... (e.g.226 is used by FTP IF FILE IS TRANSFERED)

2169

Define pcb?

1083

define the purpose of the *cat function?

1674

Explain the function of //jcllib statement?

1216

What are the benefits of using the db2 database?

1229

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