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 6261

How to ALTER the name of a GDG ?

IBM,

2 24687

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

IBM,

7 37139

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

IBM,

3 7984

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 3229

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 4100

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 4284

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

IBM,

6 7733

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 7320

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 19213

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,

2612

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

Patni,

2 6694

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 14558

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

Steria,

4 9255

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

IBM, TCS,

1668


Un-Answered Questions { IBM MainFrame }

What are the different types of PL/1 files?

1726


What are literals?

626


Can we use DISP=SHR in output file in JCL

951


What is query_cache_limit?

541


Suppose I have a ksds file. I have a records like 1,2,3,4,5,6,...100. I want to read using dynamic mode like from 10 the record onwards like, 10,12,14,16,18,....60. Wat is the command for this?

363






Sync points cannot be requested by the application programs? State true or false

675


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.

1646


what do you mean by a upgrade set in vsam?

640


How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.

5059


Name the sections present in data division.

697


What is the maximum length of sqlca?

868


Explain how many conditions can you include in a single handle condition command?

608


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

677


What is the difference between read work file 1 and read work file once? Why we are using work file once?

528


What is the difference between Call and a Link?

694