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 the role of the is numeric clause?

IBM,

1090

A word in the computer memory is identified by_________

IBM,

991

what is the meaning of notcat 2?

IBM,

1121

how to handle -911 (deadlock) error in a db2 program so that the program will never abend?

IBM,

1024

how would find total records in files using sequential?

IBM,

981

how do we describe cataloged procedure and an instream procedure?

IBM,

1077

how can we repair a soc-7 error?

IBM,

1029

how are start and xctl different?

IBM,

964

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

IBM,

1115

how to get the last record in vsam file in cluster? And how can u get the ksds file records into ur cobol program?

IBM,

957

how can we define a gdg?

IBM,

941

what optimum values can we find for freespace, ci etc?

IBM,

1015

accept ws-date from date will return the current date?

IBM,

1013

what is the other verb for release and write ?

IBM,

1002

what difference exists between control area and control interval?

IBM,

1038

Un-Answered Questions { MainFrame }

when does a dataset go uncataloged?

1301

Where the QTEMP library will get created? if the the answer is QSYS, then howcome more than one job can create same library name(QTEMP) in QSYS? what is the uniqueness of QTEMP? For example, run the below command in different workstation WRKOBJ QSYS/QTEMP And take 8 in the option to check the description. both will have different info. so where(which LIB) exactly the QTEMP is stored?

8604

Mention the definition of cobol in varchar field.

1244

Explain about find and obtain commands?

907

How to retrieve a physical file after deleting that?

1109

How are you going to remove duplicates from the file that is being read?

983

Explain the address converter?

1001

how can you specify no duplicate key?

1146

How IBM framework work?

2232

What are the full forms of spufi and dclgen and why are they used?

1085

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

1057

What is bufferpool in db2?

1047

What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?

1270

When would you use abend command?

1166

what do you mean by an input subfile, what are the keywords required?

1254

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