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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 7374

How to ALTER the name of a GDG ?

IBM,

2 26167

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

IBM,

7 39721

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

IBM,

3 9275

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 3993

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 4856

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 5336

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

IBM,

6 9541

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 8502

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 21727

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,

3067

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

Patni,

2 8015

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 17607

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

Steria,

4 10576

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

IBM, TCS,

2145


Un-Answered Questions { IBM MainFrame }

What is the picture clause of null indicator variable?

1136


what is an mdt (modified data tag)? Its menaing and use?

1129


What is the function of //jcllib statement?

1316


Explain how can return codes be tested before execution of a job step?

1327


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 ?...

4303


suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1115


What is inspect?

1007


I have to write to a outfile where the number of records in that file should be the header of that file using IMS.. can anyone help me in this issue

2531


How many registers we are using in mvs?

1197


State the differences between vsam and non-vsam files?

1053


what will happen when you try to open an empty vsam file in a cobol program for input?

1048


How to connect to db2 database from windows command line?

1061


how can you prevent more than one user from accessing the same transient data queue?

1085


When you are obtaining next within a set and get a end of set return code, on what record are you now current in idms?

801


The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1541