IBM MainFrame Interview Questions
Questions Answers Views Company eMail

Name some of the JCL statements that are not allowed in procs.?

1 14166

What is primary allocation for a dataset?

4 12863

What is the difference between primary and secondary allocations for a dataset?

8 44806

How many extents are possible for a sequential file ? For a VSAM file ?

3 16775

What does a disposition of (NEW,CATLG,DELETE) mean?

3 17481

What does a disposition of (NEW,CATLG,KEEP) mean?

Cap Gemini,

1 12139

How do you access a file that had a disposition of KEEP?

3 17376

MOD, DELETE; What does a disposition of (,DELETE) mean ?

3 10625

What is the DD statement for a output file?

3 8589

What do you do if you do not want to keep all the space allocated to a dataset?

2 5879

What is DISP= (NEW,PASS,DELETE)?

HCL,

3 30089

How do you create a temporary dataset? Where will you use them?

IBM,

2 21222

How do you restart a PROC from a particular step?

5 40751

How do you skip a particular step in a proc/JOB?

CSC, CTS,

5 28478

A PROC has five steps. Step 3 has a condition code. How can you override/nullify this condition code?

IBM, Wipro,

5 36737


Un-Answered Questions { IBM MainFrame }

What are the various data types available in db2?

610


What is DEQ?

579


Can you define a gdg?

522


How and when does the db2 enforces the unique key?

583


SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

10641






While unloading huge amount of data from table. Suddenly job failed some error. Imagine 1M data unloading, In that 90% data unloaded only 10% left, So if want to unload the rest 10% what needs to be done? Whether do i need to start from top or anything ?

1792


Explain about logical data model of idms?

496


What is bms map?

635


What is the difference between using bind () and rebind () methods of naming class?

756


Explain the difference between external subroutine and subprogram?

591


Can we change the password using ALTER? anyone tried and changed?

1518


is oorexx compatible with ibm object rexx?

598


Is it possible to obtain a record from IDMS database without mentioning the record-name itself?

983


Explain about few error status codes of idms.

506


What is the importance of common attribute?

560