MainFrame Interview Questions
Questions Answers Views Company eMail

If TDQs are selfdestructive then why they are used? AND Why TSQs are preferred over TDQs?

IBM,

5 10165

Looking at an CICS module how would one will identify that it is pseudo or full conversational?

IBM,

5 10876

Cursors can be declared in both working-storage & procedure division, Agreed. But is there any difference? If could you please suggest what is the difference. TIA

CGI, Wipro,

8 29651

Can we give the GSAM-PCB in between the DB-PCB'S like below? I/O-PCB DB-PCB1 GSAM-PCB1 GSAM-PCB2 DB-PCB2

IBM,

4 11180

What is reference modification? What is UNION in sql and syntax? What is the difference between GDGS and VSAM? Which is prefer one? What is processing groups in endevor?

Kuwait Oil Company,

1 8039

Would like to know if have an expecific command that returns a code or something about the execution of a CALLNAT. For example ... CALLNAT 'SUBPRG' [parameter] [parameter] ... [here comes a code or command that checks if the CALLNAT was successful]

1 6032

What type of Call you would use if you don;t want the control back to the calling program?

TCS,

8 10555

Scenario: I have 3 Input Files.Read the first i/p file and depending on certain business logic, I want to read wither i/p file-2 or i/p file-3.Now, depending on certain business logic applied to the record read from either file-2 or file-3, I decide to write them to either output file-2 or output file-2. Question: How many job steps are necessary to implement a solution for the above.

TCS,

2 5697

I have a job which is a long-running one. Processes millions of records. Due to some run-time problem (not a problem due to the job/data) the job abends.What needs to be done to make the job complete successfully.

TCS,

4 9009

Under which scenario you would go for a static call as opposed to dynamic call?

TCS,

5 8402

Is it Possible to declare or create a cursor for UPDATE of table? If yes tell me how? If no Tell me why?

IBM, scintel,

1 11565

I have a PSB which contains 3 PCB, how to write it ? please..

EDS,

5 13737

What will happen if two JOB statements are mentioned in an JCL continuously.

IBM,

2 7101

Hai I have a VSAM file and there are two CICS pgms A and B both intends to update the file. How to code the program so that it does not under go a dead lock situation.

4 8996

what are the bind parameters?

IBM,

5 37594


Un-Answered Questions { MainFrame }

which utility is used a dummy utility?

746


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

756


How do you reference the fixed block file formats from cobol programs

672


What is the IDD?

1082


When space is allocated for an output dataset, what units can be used?

719






List the various advantages of using jcl language?

820


My sql statement select avg(salary) from emp yields inaccurate results. Why?

615


What is the latest version of ibm db2?

707


in ways data can be passed to a COBOL program from JCL?

638


Program A (Normal COBBAT) calling a B Program (DB2COBOL, COBBATDB which is using a VSAM file. its a dynamic call. How we will handle VSAM file decleration in our from JCL from where we are running A PGM. And should we have PLAN for A pGM also. if possible can some one post a sample JCL. Thanks for help in advance.

5020


what sorting order does search all have?

576


What is check constraint in db2?

581


how do you reference the rrds file formats from cobol programs

754


Can any one explain the basic things about RLU and Printer Files and their Definitions for both and why are they used,i'm a newbee so please help me out

2872


Explain about ISPF/TSO Commands

1256