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

Can you define an alias?

964

Can you define spufi?

912

Can you explain function of dbctl?

1125

Can you define path?

989

How to compare two files by using sort?

1020

Explain identify whether a call statement is a static or dynamic call?

1006

Can you explain create an empty file by using sort?

954

How an empty file to be checked?

1047

Can you explain function of iebgener?

1029

What is the difference between inrec and outrec?

1123

When do you get -811 sqlcode and how to resolve it?

1006

Can you define a gdg?

995

What are the mainframe computing pros and cons?

1114

What is an ook-rec in idms?

871

What is auto status in idms?

878

Un-Answered Questions { IBM MainFrame }

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1240

Name the cics command that gives the length of twa area?

998

What is bind plan?

1048

which utility is used to sort a file in jcl?

1220

Explain paging concept in memory?

1017

what is difference bt COND, REGION & TIME parameters at JOB & EXEC. give an exp.

9105

What is the meaning concurrency in the db2 database?

1110

How many bytes S(8) comp field occupy and its maximum value?

2141

What is the meaning of the enq command?

1086

Define the necessity of run stats among the environment test?

986

Why cursor is used in db2?

1036

Name the versions of ibm mainframes have introduced in the market?

966

Explain what you understand by passing by value.

1154

What is nvl in db2?

1094

What are the two ways in which dl/i interface can be invoked?

945

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