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

Is length = 0 sufficient to ascertain that the field has been modified?

1076

Explain the primary significance of intra-partition and extra-partition tdqs ?

1078

Explain the uses that are associated to tsq and tdq ?

1084

Whenever a cics program goes through a compilation process, there is always some extra code that is added to the program. Where exactly does this new piece of code go to and what is it termed as ?

1032

What does a deadlock mean in DB2?

1167

What is the advantage in De-normalizing tables in DB2?

1175

What parameters are used to control the free space in DB2?

1056

How can record locking be achieved in those DB2 versions which do not support it?

1076

Name the lockable units in DB2?

1128

What is the need of a secondary index in IMS?

1065

What is the place for VSAM KSDS?

1102

When are scope terminators compulsory?

1037

Explain index cardinality?

1058

Define clustered index?

963

What is drda ?

1115

Un-Answered Questions { MainFrame }

What is the difference between read work file 1 and read work file once? Why we are using work file once?

965

What is bufferpool in db2?

1052

How do you concatenate the firstname and lastname from emp table to give a complete name?

1076

What is the cics command that is used to access current date and time?

1121

What is a ci split? What is a ca split?

1204

How do you stop a db2 database in linux?

1012

A dd statement consists of 4 fields. Name them?

1420

What does a rollback do in idms?

965

Can you explain control variable in online screens?

983

Can min or max be used with alphanumeric data?

979

What will be the result if on size error phrase is declared?

953

I have one ps file in which there are 3 fileds emp_no,emp_name and leave_app.this ps file information give the detail of employee which is going to apply for leave.suppose emp_no=113430,emp_name=ajay,leave_app=1 that means he is going to apply for 1 day leave.and accordingling the table in db2 will be updated means if he has that no of leave in his account then he will get dat leave and updated acc. in table(leave_balance=previous leave present in table-leave_app).Now i want to check whther the updated result is correct or not by comparing the two ps file using IEBCOMPARE or icetool so what is going to be the two ps file and how its is going to be compare.

2430

In which area will you utilize 88 level items in cobol?

1162

How do I add a column to a table in db2?

1104

What is dbms in ims?

1065

For More Un-Answered { MainFrame } Questions Click Here