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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

IBM,

9743

Can we give TIME = (1440, 59) also ? or is TIME = (1439, 59) is the last one ?

IBM,

5 14827

If a JOBSTEP abends, AND without using COND also, all the subsequent steps execute, then what is the use of using EVEN ? Why do we use EVEN when without it also all the JOBSTEPs execute ?

IBM,

2 6534

Is CPU time assigned to a JOB and JOBSTEP BOTH, by default ?

IBM,

4 6815

Could you provide an example and its effect OF, Using COND on JOB and EXEC both ?

IBM,

4 6848

COND -> step1 . . step2, Step2, Executes if the CC of step1 is 0. But even if it is NOT 0 and if we dont give COND, will step2 be executed ?

IBM,

4 9374

IF WE GIVE COND on step3 then, What does the following mean ? And Just adding to that, All the below COND are VALID as per the specifications. (i) COND = (8,LT,step1,step2) ---(AND/OR ?) (ii) COND = (8,LT,step1,step2, ONLY), (iii) COND = (8,LT,step1,ONLY) will it execute only if this condition is true or only if step1 ABENDS ? (iv) COND = (8,LT,step1,step2,EVEN), (v) COND = (8,LT,step1,EVEN) ?

IBM,

2 6439

How to release the Output HELD by using HOLD = YES on DD statement ?

IBM,

2 6185

Are all (i), (ii), (iii), (iv) of the below are VALID to reference a temporary dataset ? STEP2 DD1 DD DSN = &&TEMP STEP3 DD2 DD (i) DSN = TEMP (ii) DSN = *.TEMP (iii) DSN = *.STEP1.DD1 (iv) DSN = *.STEP1.DD1.ONE

IBM,

8 10418

Can a temporary dataset be converted to permanent dataset and vice-versa in the middle of a job ?

IBM,

4 9467

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

IBM,

2406

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

IBM,

2227

Which storage devices are grouped under DASD and SYSDA ?

IBM,

1 10039

When a dataset is UNCATALOGED in a JOBSTEP, how to get its UNIT and VOL in JCL to refer in subsequent steps ?

IBM,

1 6839

FOR a GDG, the book by 'SABA ZAMEER' says 'We can NOT ALTER the LIMIT parameter after it is defined'. (p-211). But many persons have written that it can be changed, which one is true ?

IBM,

4 7244


Un-Answered Questions { IBM MainFrame }

What is meant by comp-3 and what is it used for?

1027


Why is master catalog used in vsam?

1113


how to handle -911 (deadlock) error in a db2 program so that the program will never abend?

1025


by using cond parameter maximum 8 cond can be coded in single cond means ?explain

1454


What are various search techniques in cobol? Explain.

1066


How can the duplicate values be eliminated from db2 select?

1101


What is with ur in db2?

1302


what happens if parmparameter passes zero bytes to the program

2128


What is comp-1 and comp-2?

1228


what optimum values can we find for freespace, ci etc?

1015


When are scope terminators compulsory?

1033


What are literals?

1127


How would you understand error(execution phase)?

1246


What is a transid?

1078


How to connect to db2 database from windows command line?

1061