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

List down the types of triggers in the db2 database?

1022

How can the duplicate values be eliminated from db2 select?

1106

What is the function of logging in the db2 database?

1121

What is the role of the data page in the db2 database?

1025

Explain the difference between null compression and default compression?

942

Why adabas is used?

923

Explain associator in adabas?

860

What is find and read operation in adabas file?

887

What is adabas and why it is used?

945

Explain the advantages of adabas?

1001

What is the full form of adabas?

955

What are the key features of adabas database system?

994

What is dbid used in adabas?

941

What is adabas?

1017

Explain how you can characterize tables in cobol?

1063

Un-Answered Questions { IBM MainFrame }

List down the types of triggers in the db2 database?

1022

What is the facility that allows mainframes to be partitioned into lapars?

1101

Explain how would you resolve an asra abend?

981

what are the thress bms options?

1225

What is the binary search?

947

How do I delete a table in db2?

1064

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

990

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1253

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

1172

What is the purpose of disp parameter?

1118

Is the order of the when clause significant in an evaluate statement?

994

What is the use of db2?

1052

What is mainframe computer /system?

1019

What is load utility in db2?

1181

What are types of indexes?

1069

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