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

In real storage usage. By monitor through rmf iii the usage of real storage keep in increasing everyday. Why this happen?

862

What is afoper?

871

How to create 1 ddm that fetches 3 adabas files simultaneously?

928

Explain adabas basic concepts. Like inverted list, address converter ,data storage?

991

What is a hyperdescriptor? How does it work?

1116

How are you going to remove duplicates from the file that is being read?

993

What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1006

Explain the difference between external subroutine and subprogram?

1225

Explain difference between read(1) and read work file once?

963

Tell me can we update with histogram?

1152

How to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1084

Explain difference between read work file 1 and read work file once? Why we are using work file once?

965

Can you explain control variable in online screens?

983

What is the quality process in development?

1086

Can we see the copy book length using file-aid?

904

Un-Answered Questions { MainFrame }

Explain about cursor stability?

1050

Explain how to convert 2010/02/11 to m/dd/yyy.. With string and without string if any other method... Code?

1150

explain the purpose of keep and assume keywords?

1808

how does the rpg element work?

1230

How do you write from PL/1 code to JCL?

2285

When you are working with the project.. once your coding is over what will u do? where u r maintaining your CR(change request) what is the format what are the documents u need to prepare while testing?

2000

when can a job time-out occur? How to overcome that?

1289

What type of SDLC u followed? Why?

1999

How can I try out PL/I?

1516

Explain database descriptor in brief?

1007

What is the function of finish in idms?

885

What is database reorganization?

1125

What is qsam?

837

Can you explain control variable in online screens?

983

What is the information associated with sysibm.syslinks table?

1123

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