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 difference between fixed length and variable length records?

936

What is currency in idms?

1019

Name and explain the location modes?

943

What are storage attributes of records?

965

Explain about logical data model of idms?

951

What is a bind in idms?

926

what methods are available for persisting records in an idms database?

901

Explain about find and obtain commands?

983

What is a junction record in idms?

998

What are the uses of commit and finish?

956

Suppose if there are a set of statements and each has a word “value” in it, if I want to display all these statements so that the word “value” is aligned, then how do I code this in rexx?

1022

What are the different types of condition in cobol and write their forms.

1158

What rules are followed by the search verb.

1200

What are the rules of the move verb?

1325

Write a program to enter and display the names of students in a class using the occurs clause.

1262

Un-Answered Questions { IBM MainFrame }

Explain the difference between record occurrence and record type in idms?

943

What is the difference between version control and debugging tools?

1121

Explain what is a cursor in cics sql processing?

1078

What is cursor in dbms?

1121

Explain the function of dd disp parameter?

1178

What are the common tables in cics and their usage?

1070

What is the mainframe testing?

1030

What is find and read operation in adabas file?

973

name the utility program closely associated with vsam?

1107

What are the common vsam error conditions and codes?

1121

Which is not true about evaluate statement

2515

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1187

What are the advantages of vsam over isam?

1193

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

961

which utility is used to run a cobol-db2 program?

1468

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