IBM MainFrame Interview Questions
Questions Answers Views Company eMail

GDGs can be CREATED (not COPIED) only on DASD and NOT on tape drives ? Is it True ?

ABC, IBM,

2 6243

How to ALTER the name of a GDG ?

IBM,

2 24661

Can we DELETE all the Generations of a GDG at once, WITHOUT deleting the GDG itself ?

IBM,

7 37076

Can a PROC CALL another PROC ? (in both Instream and Cataloged cases) ?

IBM,

3 7947

A statement about PROCs is " In PROCs, Symbolic Parameters can be assigned on PROC and EXEC", BUT On which EXEC, (i) On the JCL's EXEC which is calling to PROC1. (Inside JCL, EXEC PROC1) (ii) or On the PROC's EXEC where it calls the PGM1. (Inside PROC, EXEC PGM=PGM1)

IBM,

1 3217

Statement1 "We can not use UNCATLG in SMS managed VSAM datasets" Statement2 "We can not delete a SMS managed data set without UNCATLG it" (P-353, Saba Zameer book) Then how do we delete SMS managed VSAM datasets ?

IBM,

1 4082

A statement about PROCs is " In PROCs, Symbolic Parameters can be assigned on PROC and EXEC", BUT On which EXEC, (i) On the JCL's EXEC which is calling to PROC1. (Inside JCL, EXEC PROC1) (ii) or On the PROC's EXEC where it calls the PGM1. (Inside PROC, EXEC PGM=PGM1)

IBM,

2 4271

Is CPU time (TIME parameter) assigned to a JOB and JOBSTEP BOTH, by default ?

IBM,

6 7706

you have one jcl .in sort step 5 files are there.if out of 5 files if one file is uncataloged or not there then how will you correct your jcl so that problem does not come. you should not create this file externally.how will u overcome it.

3 7302

What is the difference between a PDS member and a GDG Generation ? Is it only this, that with a generation we can use +1, 0, -1 etc while with PDS member we can not ?

IBM,

7 19163

How to send different PARM values based on the any condition to the program in a JCL? For example :- If the time is before 12:00 pm, I want to send "A" to some program and if it past 12:00 pm , I want to send "B" as a PARM value to that program. How to do it thur JCL only?

UHG,

2610

how can we differentiate between conventional and pseudo-conventional coding just by seeing cobol code?

Patni,

2 6684

If we have 100 job steps in JCL and we want to excute steps only starting from 43 to 50, then how it can be coded in JCL/

IBM,

10 14510

01 x pic s9(8) comp. How will the following value be internally allocated '18787'

Steria,

4 9231

How can i install db2 9.x on AIX based system..? plz reply the detailed steps involved....?

IBM, TCS,

1666


Un-Answered Questions { IBM MainFrame }

What is the facility that allows mainframes to be partitioned into lapars?

595


How can we see the copy book length using file-aid?

538


When do you specify the isolation level?

602


Can you explain create an empty file by using sort?

555


What is the function of linear dataset in vsam?

630






How to execute stored procedure in db2 command editor?

524


What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

539


what methods are available for persisting records in an idms database?

465


what is the most common way of building queue-id of a tsq?

609


What is catelog procedure and how many catelog procedure to use in one job?

7427


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

2421


IF I mention stop run in CICS what happens?

1884


Tell about the ams used in vsam?

665


What is DEQ?

591


What is a region in idms?

505