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 are Fillers ? What is the actual use of Fillers ? With small/simple Example..

Patni,

1 8158

In case you modify the attribute field of map do you need to recompile the map?

RBS,

5 13286

I have two files , file1 is input file it contains 10,20,30,....,records but i want to display the records in file 2 as reverse order .how can we do by using jcl& cobol(dont use array) please any one can tell me the answer

GreenTree, IBM,

3 9928

how to increase the space of a dataset in instream procedure.

HCL,

1 8299

what happens when time=0 is given in jcl code. what happens when blksize=0 is given in jcl code. what is symbolic and overriding parameters and a example program.

HCL,

6 14404

What is the diff bw PF/LF Name and their Record format name? what is restriction in record format then file name?

Wipro,

3054

I have a dataset with record length 40 in production, due to some requirements it was changed to 80. Then how can we know the jobs which are effected by this change and how can we resolve it.

iGate,

3 9104

1)what is compilation jcl for cobol program but it is calling another program 2)what is compilation jcl for cobol program but it is calling another program(in this, main program is pure cobol but sub program is cobol+db2 program anyone please answer me for above questions. it's very urgent

1 4524

i have cobol+ db2 program but it contains n number of subprograms for this how many dbrm members i need to mention in bind process

2 6729

hi,what is the module? how many modules in mainframe based banking projects

3049

Mr.Yallamanda Reddy P thanks for your answer sir,can we use test(D) opcode in RPG/400,if yes please help me by eloborating on that answer by writing a sample code for that sir

iGate,

2 5721

Can you use a select query in a loop to fetch multiple rows? If so what is the advantage of using a cursor?

L&T, UST,

2 4805

Can we use select query in a loop to fetch multiple rows in a COBOL PROGRAM? If so, what is the advantage of cursor?

UST,

1 6201

1)what is compilation jcl for cobol program but it is calling another program 2)what is compilation jcl for cobol program but it is calling another program(in this, main program is pure cobol but sub program is cobol+db2 program.can anyone please answer me for above questions. it's very urgent

Mind Tree,

4 13962

How can you validate Sql errors during cursor operation in db2 pgms and where do you code?

IBM,

2270

Un-Answered Questions { MainFrame }

I have done a start browse on a vsam dataset. Can I do another start browse without doing an end browse?

1145

What is iseries database?

1122

What is jcl in mainframe, and how many types of jcl statements are there for a job?

1259

define the purpose of the iter operation?

1927

What is the purpose of dd * statement in jcl?

1341

What are the terms cics generally means?

1065

What is redefines clause in COBOL?

1358

Explain the three location modes?

965

Explain the input procedure?

1014

explain how many ways you can load data in a vsam cluster?

1102

If I want to execute Sftp commands(LS & GET) stored in Physical file from CL program automatically...Can u Plz tell me how can I do this?...How the script will look?? THANX FOR NY HELP...

2835

What is dbid used in adabas?

1013

What is db2? Explain.

1124

How do you reference the fixed block file formats from cobol programs

1294

Suppose if I have updated few fields of adabas file using update command, and after that I used display to see that field get updated or not. If in display it showing nothing or record did not get updated then what can be the possible reasons?

998

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