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

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Program A (Normal COBBAT) calling a B Program (DB2COBOL, COBBATDB which is using a VSAM file. its a dynamic call. How we will handle VSAM file decleration in our from JCL from where we are running A PGM. And should we have PLAN for A pGM also. if possible can some one post a sample JCL. Thanks for help in advance.

5051

what is the another name of lpar's

1 3742

COBOL program to read the string ' BOMBAY' in reverse order as 'YABMOB'

8 12665

Whats the use of Examine command? can someone help me?

1 4253

Can we change the password using ALTER? anyone tried and changed?

1542

how to update asingle record in adabas? by using GET, can we do a single record updation?

1 4008

which are the parameters mandatory in job card ?

4 6433

how to insert the data in pf by using cl program

2 6654

what is use of self join and which cases you will use this join

1 3271

how to eliminate the level check error

2 4805

can i use UPDDTA command in rpg program in which contains a file

1 4194

can i use unique key in LF

3 5957

i have two programs 1.cobol program 2.copy book program can i move bouth program in to the production or single single program?

1 3080

in rpg could u please tell me errors types and meanings like 3030 that ....

1 3923

How to copy VSAM files without using REPRO

3 7207

Un-Answered Questions { MainFrame }

what is the difference between do while and do until?

697

Explain the function of a dd statement?

652

what is the right time for using in-line perform?

585

What is table space in db2?

576

what are the different types of arrays available in rpg ?

959

How to know whether the module is dynamical or statistical?

650

Name what parameter directs the output of the job log dataset?

557

Are scope terminators compulsory? If they are, when?

487

What is inspect in cobol ?

797

What is jcl in mainframe?

687

What is db2 plan table?

617

How to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

607

Explain the difference between a physical bms mapset and a logical bms mapset?

563

What is data trace system 2.0 used for?

5151

Explain difference between call and link?

554

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