MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

How is data passed from a calling program to an assembler called program?

1069

Explain the difference between various read and find statement and which one should be used when for better adabas performance?

996

What is icm instruction?

1062

What will happen if we drop the base register in the program which contains only one basereg?

983

What is maximum displacement?

1182

What does "using" do?

1055

Explain how to access vsam file?

1089

How are data passed from jcl parm to assembler program?

1006

Explain how to produce soc7 abend?

1070

Define adabas?

981

Explain How will you the specification of database file?

903

Explain the significance of dbid used in adabs?

955

Define an associator in adabas?

961

Explain the different system tables used in cics?

1016

What is the use of the eibaid field?

1146

Un-Answered Questions { MainFrame }

List the type of locks and explain each of them.

934

what is use of dcb parameter in dd statement?

1306

Can we change the password using ALTER? anyone tried and changed?

2021

What is the advantage of dynamic generation of acb?

934

what is a spool file?

1129

how many specifications are there in rpg/400? What are they?

2010

What is the difference between hidam and hdam databases?

961

Explain the purpose of the dd keylen parameter?

1169

Write about a ‘view’ in brief?

975

how can you execute a command from within an rpg program without calling a clp program?

2008

suppose oza017.myorg.emp has 100 records ,oza018.myorg.staff has 200 records but 50 are the common records in both files copy all the common records into oza017.myorg.xyz dataset?

1009

Explain how do you set the mdt option to on status, even if data is not entered?

1102

what is diffrence b/w file-aid tool and file-aid utility???

4892

How to restart a DB2 program?

1902

can we use ASCII ,CDUP,SENDPASV commands in SFTP?

3664

For More Un-Answered { MainFrame } Questions Click Here