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

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2641

which is better comp or comp-3 in terms of memory utilization?

6 18543

Can anybody tell me that why we use option(*nodebugio)in H- Spec?

3 25322

Move Zeroes to I move 5 to j perform para1 varying I from 10 by -2 until I = 0 display j. para1. Add 5 to j. What’ll be the value after execution of display stmt. A) 35 B) 40 C) 30 D) 25 please explain how?

5 10567

WE HAVE 5 DIFFERENT RECORDING MODE IN COBOL.FIXED, FIXEDBLOCK, VARIABLE, VARIABLEBLOCK AND UNDEFINED. WHAT IS THE DIFFERENCE AMONG ALL AND WHICH TYPE OF FORMAT SHOULD BE USED WHEN

Infosys,

3 36208

can anybody help me that what is the procedure of debugging the service program?

CSC,

3 10466

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14597

we can code COPY DCLGEN or INCLUDE DCLGEN, At which stage of the precompilation , dclgen get expanded if we write 1) copy 2) include one question about dclgen.. Is it mandatory to use declare table in dclgen.. I think no...but it will be used by the precompiler to validate the table name,column name etc.., can one clear my doubt ..is it necessary to include declare table or not?

2 18156

we can use set true for condition names.. similarly can we code set to false in cobol pgm? will it work?

1 10793

01 a pic s9(5) value -12345, if we disply a , the sign will overpunched with last digit but i need to get the miuns sign in the result?

7 12332

01 b pic +9(4) How many bytes it will take for storage???

2 9291

One program calling 5 subprograms, its a cobol db2 program, after precompilation how many plans and packages will created?

3 18632

Is there any other debugging tool for expeditor?

2 11001

can u run online and batch at the same time?

IBM,

4 10741

How to rename one vsam file as well as it's index?

BEA,

4 27243

Un-Answered Questions { MainFrame }

What is the function of dd name parameter with a 2 part structure; audit.report?

1326

what are the key words you must use when using a subfile?

1243

State the difference between jes2 and jes3?

1067

What is the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1080

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1152

How do you submit a job for execution?

1165

Explain isolation level?

1167

When reorg is used?

1188

What is the function of the steplib dd statement?

1257

Explain the use of the where?

1135

What is the use of member in pf?

1045

I HAVE 500 ROW TO UPDATE I WOULD LIKE TO USE ROLLBACK ALONG WITH COMMIT.WHAT IS THE SYNTAX TO CODE COMMIT AND ROLLBACK FOR EVERY 100 ROWS.AND HOW THE CURSOR ROLLBACK TO THE LAST COMMITTING POINT.

3266

How to move a field DT 9(8) of input file to DT 9(8) COMP-3 in output file in ezytrieve? in the output file entire dt is not moved.If any answer plz reply as soon as possible.

2270

how can you check if a file is empty using jcl?

1492

How does cobol compile db2 program?

1130

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