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

why should we bind the DB2 program . What if we did not BIND a BD2 program ??

9 36091

My DB2 program first read the data from a file and then it look into a table with the data it got from the file.If we did not bind the program , should the file read before SQL execution be success??

Xansa,

2 6104

what is copy pending and check pending ?

Xansa,

1 10629

what needs to be done if a table is in copy pending / check pending status?

Xansa,

5 23020

what is check point and restart Logic ? why do we go for that ??

CGI, UST, Xansa,

2 27599

I HAVE 2 TABLES ONE IS EMP_TABLE AND ANOTHER DEPT_TABLE.EMP_TABLE CONTAINS NAME,DEPTNO,DEPTNAME,LOCATION AND DEPT_TABLE CONTAINS DEPTNO,DOJ(DATE OF JOINING).I WANT TO DISPLAY NAME,DEPTNAME,DOJ AND WHO ARE JOINED BETWEN 01- JAN-2007 TO 01-JAN-2008?

Perot Systems,

6 11342

What are the differences bitween cobol and cobol-2?

Wipro,

1 8445

Program A calls program B. Will the working storage variables declared in program B be initialized every time it is called by program A or will the values be retained until the end of program A?

7 21318

if i have three programs progA,progB and progC .now i call progB from progA. but the progB does not exist . now i want to call progC instead of starting dump. how can we achieve this.

Four soft,

10 20299

wat is the difference between array and multiple occurence data structure?

Four soft,

4 26901

wat is scan and check ? give me real time scenarios where we used these keywords in ur projects?

Four soft,

2 11910

wat is the difference between dataarea and data queue?

Airtel, Four soft, Shahi Exports,

5 30494

wat is meant by hidden field , why it is used?

Four soft,

4 20155

i'm working on progA , in that program i want to see the userids of the users who work on this program?

Four soft,

10 17407

I have a source program compiled with Cobol-2. The output file has a record length of 100 defined in the program but a record of 60 bytes getting written into it. i.e. The rest of 40 bytes I am not Writing anything. But it by default puts some values into the last 40 bytes. However it does not impact anything. But when Compiled the module with Enterprise Cobol the last 40 bytes were spaces as fillers. Can anyone explain?

Cognizant,

5 16927

Un-Answered Questions { MainFrame }

how can you define a dataarea(DTAARA) IN RPG? Which spec you define it C-spec/D-spec?

1871

what are the key words you must use when using a subfile?

1187

How to submit jcl through a cobol program?

1157

How would you find out the total number of rows in a db2 table?

1058

What is the maximum length of a single line of jcl?

1359

Which component is responsible for processing sql statements and selecting access paths?

1138

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2067

what is the sequence when using cursor?

1229

Explain the difference between using the read command with into option and set option?

1032

please..could u give an example about USAGE IS POINTER ..and explain why and when we use it ?

2480

What is job control language?

1103

Explain the function of //jcllib statement?

1230

How to find all duplicate records?

1000

What are the different options in OPTIONS?

1506

What is meant by deadlock in db2?

1266

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