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

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.

iNautix,

5695

what is the another name of lpar's

CTS, IBM,

1 4754

COBOL program to read the string ' BOMBAY' in reverse order as 'YABMOB'

Barclays, IBM,

8 14903

Whats the use of Examine command? can someone help me?

IBM,

1 5110

Can we change the password using ALTER? anyone tried and changed?

IBM,

1966

how to update asingle record in adabas? by using GET, can we do a single record updation?

Satyam,

1 4966

which are the parameters mandatory in job card ?

Accenture,

4 7771

how to insert the data in pf by using cl program

TCS,

2 7929

what is use of self join and which cases you will use this join

TCS,

1 4162

how to eliminate the level check error

TCS,

2 6072

can i use UPDDTA command in rpg program in which contains a file

TCS,

1 5102

can i use unique key in LF

TCS,

3 7147

i have two programs 1.cobol program 2.copy book program can i move bouth program in to the production or single single program?

UHG,

1 3681

in rpg could u please tell me errors types and meanings like 3030 that ....

EXL, UHG,

1 4653

How to copy VSAM files without using REPRO

ADP,

3 8540

Un-Answered Questions { MainFrame }

what is file information data structure?

2126

What is innodb buffer pool?

999

What is database alias db2?

1077

What is comp-1 and comp-2?

1194

How many types of evaluate statements are available?

949

Explain the purpose of the program list table?

958

Why is master catalog used in vsam?

1055

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1517

Explain the three location modes?

852

On which levels locks can be applied?

1074

What is the advantage in De-normalizing tables in DB2?

1134

what do you mean by a vsam split?

1034

What is dpf in db2?

1062

Categorize the mainframe manual testing?

955

What is a junction record in idms?

892

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