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 is sqlca and why is it needed in any cobol-db2 program?

1 1769

When is inspect verb is used in cobol?

1252

What is the difference between goback, stop run and exit program in cobol?

1583

What is distributed relational database architecture? And components?

992

Explain ibm z?

1008

What is difference between static call and dynamic call?

1027

What is database descriptor?

1017

How do you find whether any generations exist under a gdg base?

1040

Can we give +2 instead of +1 while creating a new gdg file?

958

How joinkeys helps in sort?

984

Can you explain referential integrity?

991

How to find all duplicate records?

976

Can you define notcat 2?

1032

What is the difference between hidam and hdam databases?

959

Can you define foreign keys?

1032

Un-Answered Questions { IBM MainFrame }

How do you submit a job for execution?

1103

what is DD statement is used in JCL?

1192

What is ims (db/dc)?

1045

What is netezza database?

1021

Explain the maps in cics?

1170

in ways data can be passed to a COBOL program from JCL?

1218

how do you reference the esds vsam file formats from cobol programs

1208

Is db2 free?

1093

What are the processing modes available in ims db?

1074

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

1000

what is the difference between JES3 and JES2?

1130

Explain the difference between a symbolic map and physical map?

1030

What are types of indexes?

1067

IIN APITUDE THEY GAVE ONLY 10 QUESTIONS.. THEY ARE SIMPLE ONE FROM NUMBER SERIES,BOATS,TIME & DISTANCE,PROFIT &LOSS,FIND OUT THE NUMBER ? 9 25 4 36 81 64 49 AND surveillance SPELLINGS E.T.C

2179

How to traceback if I am getting SOC7 or SOC4 abend? List down the steps

5371

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