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 a message file?

1 1535

What is a job log?

1 1663

What is the purpose of OPNQRYF (Open Query File)?

1 1802

How to create files dynamically without DDS?

1 1922

What command must be executed before executing OPNQRYF command?

1 1955

What is Data Area?

1 1410

What are the types of data areas?

1 1852

What is LDA?

1 1663

What is the type, length of a LDA?

1 1720

What is GDA?

1 1582

How to create a user defined (general) data area?

1 1637

What are the different ways to input data into data area?

1 1632

How to retrieve data from data area?

1 1845

What are the valid user defined data area types?

1 1956

How can a data area be locked after being updated?

1 1861

Un-Answered Questions { MainFrame }

What is database reorganization?

1120

B37 abend during spufi?

1452

What is host variable?

1047

Explain how can you accomplish breakpoint in intertest?

1018

What is Pic 9v99 Indicates in COBOL?

1253

how would you design the process for a nightly, high volume check producing process that needs to select only records that are flagged to be processed?

1607

File not opened because library is *PROD and debug is UPDPROD(*NO). ? what may be the reason? how to solve it..?

2925

What is a cics task?

1058

What is the role of data manager in the db2 database?

1099

How do you define a variable of comp-1 and comp-2?

1198

How will you return the number of records in table?

930

Explain what you understand by passing by value.

1144

What is the purpose of dd dummy statement?

1458

how do you specify page overflow indicator for printer files in rpg?

2275

what is the purpose of indicators in rpg?

1807

For More Un-Answered { MainFrame } Questions Click Here