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

What is monosysplex?

788

What is parallel sysplex?

815

What is sysplex?

920

What is the best way to code to provide me the info that there are disks in the array failing or failed? How to code? Run in batch?

805

How can we know running job is batch or interactive?

1121

What is the purpose of record level identifier?

1126

Need a sql query: retrieve all duplicate records in table?

1 2259

What is the difference between iter and do?

1209

Suppose I have 3 jobs a b and c. I want to submit b after successful completion of a and want to submit c after successful completion of b. Without using job scheduler or job queue, how can I do that through cl program?

1 2561

We have job which is running as batch. It takes atleast 06 hours to complete tht job. But I wanna do tht job with in 3 hours?

1250

If my rpg program has a date field, what extra care I have to take while compiling that rpg program? If the file is keyed and I have declared the file as well as key list properly in my program. Still am getting an error message like "chain/reade operation is not allowed" what may be the case?

1114

What are the types of identifiers?

1020

How can we override a file during runtime in rpg?

1199

What is ment by record level identifier?

1143

What is difference between bind by copy and bind by reference?

2476

Un-Answered Questions { MainFrame }

What is the max length of sqlca?

1216

What is data trace system 2.0 used for?

5646

What does EIB mean in CICS?

1173

What is dpf in db2?

1109

Many jcl statements contain specific values designed to direct and control the execution of the statement. What are these fields called?

1227

What is db2 bind process?

1240

suppose program A is calling program B, at a time A will send 100 records but it has to send 500 records. how it will possible?

2091

How scary is it to write code for a bank?

1001

In an sql table that is embedded, what is the procedure to retrieve rows that are part of a db2 table?

1101

Explain the difference between the into and the set option in the exec cics receive map command?

1122

WHICH REPLY CODE IS USED BT sftp ? ... (e.g.226 is used by FTP IF FILE IS TRANSFERED)

2169

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

1102

2 input fles: 2 flat files, with different number of records. both are having unique key for each record and already sorted in ascending order . match these files using unique key and in output only matching key value has to be written. please procide cobol logic

2590

how do you fire a batch job from a cics txn ?

1052

Define transient data?

1039

For More Un-Answered { MainFrame } Questions Click Here