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 am getting S00F abend when i try to compare two variable of different pic class,one variable is of 9(09) and another is S9(09) comp-3. First i moved the data from S9(09) comp-3 to 9(09), but no luck. So i tried to move the data from S9(09) comp-3 to X (09) and move to 9(09). I am getting same error message, Please help me to find solution for this ptoblem. ERROR MESSAGE - "The system or user abend S00F R=NULL was issued."

1 7012

what is filler and what is use of filler

Syntel,

3 8733

Can we use group-by clause in sub-query? If 'yes' means,Will it be executed successfully or else If 'no' means why should we not using that method? Give me your suggestion please....

1 4886

how to write a jcl prog to copy alternate recs from ps1 to another ps2,suppose ps1 having 10 recs?

Steria, TCS,

2 9961

what is the sqlcode -501

IBM, Polaris, Zeus,

5 13323

Suppose I have 5 dataset listed under a single DD name in a catlogued PROC. How can I override one of those 5 dataset (say 3rd dataset)?

Cognizant,

5 30264

In a COBOL program, 2 tables TABLE1 and TABLE2 are defined that are indexed by INDEX1 and INDEX2 respectively. Can we use INDEX1 with TABLE2 and INDEX2 with TABLE1?

1 5157

I am totally confused on IMS message segments. When I create a message and it contains 5 segments does the entire message have a 32k limit or does each segment have a 32k limit? Is there a setting in the stage1 sys gen that defines if a transaction can receive/send multi-segmented messages?

1 3757

can anyone say,what is the use of operation extended H/N/P?

2 6268

I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.

2119

How to select the duplicate rows from a table?

4 8798

what is rediffine clause?in what situation it can use?give me real time example?

IBM,

1 5050

what is rediffine clause?in what situation it can use?give me real time example?

IBM,

1 4344

what is subscript in cobol?give realtime example?

Wipro,

2 12584

what is sync clause?

DELL,

2 18149

Un-Answered Questions { MainFrame }

What is the difference between dbm cfg and db cfg file in db2 ?

1595

How do u design a physical file, when you have 2 Unique fields like for eg in A student file student ID and student examination no both are unique

1066

Explain processing program table(ppt)?

1214

can any body give me any website for getting help on mainframe projectts in banking domain.

2153

What Is Default Data Type (if You Define Decimals '0') In Physical File?

1912

What are the different versions of gdg named?

1050

run jcl for cobol+db2 pgm?.. //jobcard //step001 exec pgm=ikjeft01 //systin dd * DSNSYSTEM(--------) RUN PROGRAM(MYPGMNAME) PLAN(-----), LIB(-------), PARMS(------) /* WHAT WILL U GIVE INSIDE THE BRACKETS... WHAT IS PLAN,PACKAGE,BIND?..PLAN N PACAKGES ARE GENERATED BY ?...

4378

What is the difference between read(1) and read work file once?

1118

Write a CL program which will run a batch job at 1 am every night

1147

Can you define an alias?

1007

how to declare a constant variable in the freeformat?

1474

What is a storage group (stogroup)?

1292

during execution, an rpg/400 program automatically follows a sequence of operations for each record that is processed. The built-in program cycle includes the following logical steps.

1281

What are fset, frset?

1072

How to check table size in db2 sap?

1100

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