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

What type of pointers should you specify on the root segment of a HIDAM DB to improve sequential processing?

2 6233

What does the Change Accum do?

1 6202

What is difference between concurrent image copy and online image copy?

EDS,

1 7215

What are two reasons to run the DB Batch backout utility?

4 11502

An application programmer comes to you and says your DB is no good, they got an II status code on an insert call from IMS, is this a DB problem?

2 7056

What are all the possible inputs to the DB recovery utility?

1 5342

Which DB access method (OSAM or VSAM) is better and why?

4 18834

What is Program Isolation?

1 7018

what do u write in the impact analysis document (i.e, for a change request)

Nest, Wipro,

4 30940

HELLO FRIENDS, THIS IS JANARDHAN.GADIRAJU, I FACED ONE INTERESTING QUESTION IN COBOL, THAT IS WHAT ARE THE VALUES WE CAN SEE IN HIGHVALUES AND LOWVALUES, CAN U PLEASE GIVE ME THE ANSWER

Patni,

7 16718

PLEASE SEND ME THE DOCUMENTS IF ANY ONE HAVE REGARDING THE IMPACT ANALYSYS,REVIEWS

DELL,

2403

What is the difference between joblib and jcllib statements

IBM, Maples,

7 36369

what do you mean by copybook? and what is the difference between the copybook which we are using in working storage and procedure division.

HCL, TCS,

3 25673

Hi All I've got an appointment for my visa interview. I'm confused seeing all the postings I'm currently working in IBM Bangalore, i've got just 3+ years of realtime experience in this field. I've completed my Bachelore of Computer Applications and then Master of Information Systems....and with good percentages... I've seen many posting who's visa got rejected even for 4+years of IT experience VO's asking for 6+ years of exp. I'm afraid...is my exp and background sufficient to get throug the interview and get visa stamped. I'ld be more happy if you can help me in this reg. waiting for reply Smitha

2 4901

A maximum of 100 chars can be passed to Cobol through Parm in JCL, If we want to pass more than 100 Chars how we can do it ?

IBM,

3 12152

Un-Answered Questions { IBM MainFrame }

What is idms-restart ?

1497

what is the resolution for sb37 error

9145

1.Is it possible to move the data from 99.99 to 99v99? 2.What is the CICS-vsam Compilation process? 3.In My GDG 5 generation will be there GDG3 got an abend what will happen? 4.In my GDG first generation is +1 And I want to add the new generation what will happen previous generation? 5.How can you give the PIC clause below conditions A). s9 (reddy), B). s9 (5) occurs 5 times? 6.How override the proc from a particular step? and what is symbolic and override Procs?

5818

What is the function of the verb initialize?

1090

In a CICS program, how will you read a VSAM file?

1138

What do you understand by the terms: joblib and steplib?

1185

What are concurrency issues?

1107

Mention the location where the output received from explain statement is stored.

1134

what is eib, how is can be used?

1116

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2519

What is null indicator in cobol db2?

1073

What is distributed relational database architecture? And components?

1008

what is use of space parameter in dd statement?

1291

Can we update view in db2?

1008

Define a page in idms?

835

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