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

IBM MainFrame (5234)
IBM AS400 (1355)
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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?

929

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

993

What is a hyperdescriptor? How does it work?

1118

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?

1007

Explain the difference between external subroutine and subprogram?

1225

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

965

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?

905

Un-Answered Questions { MainFrame }

File not opened because library is *PROD and debug is UPDPROD(*NO). ? what may be the reason? how to solve it..?

2941

What is an in line perform? When would you use it? Anything else you wish to say about it.

1076

what are s0c1, s0c4, s0c5, s0c7 abends?

1309

What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

8758

What is the interactive job? What is the batch job? How to change the batch job to interactive job?

998

i need a small 3d program using inline and outline.

2212

Explain the input procedure?

945

What is the difference between binary search and sequential search?

1089

What is an ims database?

1146

Mention the content that is present inside a PPT ?

993

How is the value function used?

1154

What is static and dynamic call in cobol?

1070

What's The Error Code For Unique Index Voilation?

1239

At what point are extension eliminators mandatory?

1003

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

1863

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