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

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MainFrame Interview Questions

Questions Answers Views Company eMail

What is length is cobol?

1161

What is a report item?

1200

Explain how pa key is different from pf key?

1258

What is the procedure to read a statement from tsq?

1140

Every map is categorized into multiple fields, and there are three common working storage fields present for each of these respective fields. Mention those?

1111

What does a cics translator do?

1483

In case if the user inputs the characters which turn out to be uppercase, then what is the procedure to close that condition?

1088

Receive consists of buffer option in it. What is the significance of this option?

1088

If we say that bms length of field = 0, then what does that mean?

1334

Can a tsq of one particular transaction be accessed from an alternate transaction?

1 1771

Let us say you have a collection of multiple maps in cics. So if you are asked to determine the exact storage space that is available in a symbolicmap, then how will you compute it?

1187

List out all the tables that are a part of cics ?

1016

If we wish to create bms executable, what are the basic steps that the user has to go through?

1157

In a particular cics program, what is the procedure to allocate dynamic memory?

1223

What is meant by an attribute byte?

1101

Un-Answered Questions { MainFrame }

What is scrollable cursor in db2?

1128

What is the difference between PIC 9.99 and 9v99 in COBOL?

1407

How to write record if no field or the field are different in physical file in rpgle ?

1031

What is eib?

1245

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

2468

can error messages as a result of a comp, range or values keyword be overridden?

2025

I want to JCL sort for Non-COMP and COMP-3 fields SORT FIELDS=(1,5,A,6,11,A,12,11,A,19,1,A,20,1,A),FORMAT=BI,EQUALS Length of comp bytes is 11 bytes which start at 6byte and 12 byte considering 11 bytes in comp-3 is 6 bytes. Can anyone tell if the above sort work SORT FIELDS=(1,5,A,6,6,A,12,6,A,19,1,A,20,1,A),FORMAT=BI,EQUALS does not works OK

1998

what is the function of crtdupobj command?

2168

Is mainframe an operating system?

993

What is control interval?

1124

Difference between array and sub-script ?

1713

Explain the process in which flat files are converted into vsam files?

1069

While unloading huge amount of data from table. Suddenly job failed some error. Imagine 1M data unloading, In that 90% data unloaded only 10% left, So if want to unload the rest 10% what needs to be done? Whether do i need to start from top or anything ?

2390

How are type 1 and type 2 indexes different?

1072

Is it possible to move an alphanumeric incentive to a numeric field?

1051

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