MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

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 12057

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

IBM,

5 13097

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 33023

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 13259

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 9060

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 7147

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

TCS,

8 12951

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 6754

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 10661

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

TCS,

5 10254

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 12487

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

EDS,

5 15378

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

IBM,

2 8116

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 10874

what are the bind parameters?

IBM,

5 39955

Un-Answered Questions { MainFrame }

thanks mr.Harshad R Suryawaunshi,i'm new to as400 i think you are telling in rpgile i know only rpg400 if possible can you tell in rpg400

2315

if we display var1 then what will b displayed in below condition. 77 var1 pic s9(2) value -10. 77 var1 pic s9(2) value -11. " " " -12. " " " -13. -14 ... ... -19.

6589

list some of the commonly used commands for debugging?

1630

What is eib?

1170

What does db2 stand for?

1025

is there any way I can ease my rpg controls on numeric input fields? How about an input date field?

1120

Define cobol coding sheet?

1012

Difference Between Interactive & Batch Job?

1237

which are the string manipulation opcodes?

1080

what is arrival sequence?

1882

Explain the significance of the shareoptions parameter?

1012

Explain the difference between dfhcommarea and tsq?

1100

Specify cics transaction initiation process?

1067

How to create backup table in db2?

1091

write a jcl to execute a job by 7:00 am on jan 20,1986?

1114

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