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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

How do you Load a table ?? and what is Load replace ?

Xansa,

2 33560

what is a plan and how do you refer the plan in the program?

Xansa,

2 7187

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

Infosys, TCS, Xansa,

9 36088

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 6103

what is copy pending and check pending ?

Xansa,

1 10628

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

Xansa,

5 23019

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

CGI, UST, Xansa,

2 27597

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 11340

What are the differences bitween cobol and cobol-2?

Wipro,

1 8444

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 21311

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 16925

In cursor program-1 can we create another cursor program-2 inside the cursor program-1.If yes how/no why ?

Wipro,

2 8139

IN CICS APPLICATION PROGRAM, INSTEAD OF HARDCODING MAP AND MPASET NAMES WHILE SENDING AND REIEVING ...CAN WE DO LIKE THIS ??? MOVE MAP AND MAPSET NAMES TO WORKING STORAGE SECTION VARIABLES AND USE THOSE VARIABLES WHILE SENDING AND RECIEVING MAP.IF YES, HOW CAN WE MOVE MAP INPUT , OUTPUT VARIABLES. IF ANYBODY KNOWS THIS PLEASE POST THE ANSWER

2 8565

There is a 5000 EMP in company.how we find out the 5th highest getting salary employee outof 5000 employes........

IBM,

10 17798

what is meaning by design document? who can repared for this?

TCS,

5 14857

Un-Answered Questions { IBM MainFrame }

How long have you been working on mainframes?

976

Define free space?

1064

What is bind plan?

1059

how can the same proc be re-used and called by many jobs?

1513

What is maximum displacement and how to cross this limit?

1184

Is automatic restart possible in jcl? If yes, how?

1125

Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?

1092

Explain the function of the dd dcb keyword?

1261

What is a set in idms?

851

How is data retrieved from multiple tables using a single sql statement?

1043

Can you define foreign keys?

1043

If we wish to create bms executable, what are the basic steps that the user has to go through?

1105

Explain dclgen.

1226

Explain the significance of rdo?

1094

What is dbid used in adabas?

947

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