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 33020

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 13257

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 7146

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

TCS,

8 12949

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 6753

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 10658

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

TCS,

5 10252

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 12482

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 39943

Un-Answered Questions { MainFrame }

if we have " ibm mainframe ",in that how to remove first and last leading space eg:"ibm mainframe" like that the answer we need

1349

when do you use f-spec. Continuation line ?

1711

what is the purpose of data structure?

1743

difference between sflrcdnbr and sflnxtchg?

1181

What are the different types of model available in coolplex

1467

what is procedure prototype and procedure interface.

1223

what is the syntax for plist?

1117

What is db2 plan table?

1049

What is meant by deadlock in db2?

1254

Hi, i would like to start a new carrier in DB2 DBA.Which and what all step should i have to take..?

3154

Can records be accessed randomly in esds?

980

Explain the usage of language in the ppt entry?

1000

How to run cobol program using jcl?

1228

explain icm instruction?

1078

Comment whether the cursor is closed during commit or not.

1105

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