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 the maximum number of segment types allowed for a single database?

1122

What information does a dbd contain?

1023

What is meant by bmp mode?

1067

What is dbms in ims?

1058

Explain dbdgen process?

1088

Can we use procopt on pcb and segment field (senseg)?

979

What is a segment in ims?

1010

What is the advantage of dynamic generation of acb?

934

What is dl/i?

1125

What are the two types of fields available in ims db?

1016

What is the maximum of key fields and search fields allowed in a segment?

994

What is the maximum number of pcbs allowed in a psb?

965

What are the processing modes available in ims db?

1074

What are the objectives of dbms in ims?

1084

What is the disadvantage of dynamic generation of acb?

1003

Un-Answered Questions { IBM MainFrame }

What is the meaning concurrency in the db2 database?

1108

What are the types of processes to create a map in cics?

1044

What parameter of the job statement is used to limit the cpu time consumed by the job?

1273

Explain the maps in cics?

1170

What happens if both JOBLIB & STEPLIB is specified ?

1138

Define cobol?

1394

Why adabas is used?

920

Can you define cics task?

1106

What is db2 command?

1030

what do you mean by idcams? Explain its purpose?

961

How can you get the ksds file records into your cobol program?

1096

What is distributed relational database architecture? And components?

992

For protecting a transaction using the transaction security function, the two things that must be done are?

2336

What is the maximum size of a char data type in db2?

1010

Which mode is used to operate the sequential file?

1199

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