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 the maximum number of times Multiple Occurrences DS can occur in a program?

1 1929

What are all the compiler directive statements?

1 1910

What is SAA?

1 1737

What is the Function of PDM?

1 1777

What is the function of SEU ?

1 1768

What is the use of SDA ?

1 1860

What is a library list ?

1 1668

What is the difference between Physical and Logical files ?

1 1875

What does the keyword UNIQUE mean ?

1 1876

What is FCFO, FIFO, LIFO in Database environment ?

1 1838

How many record formats can you have in a Physical file and in a Logical file ?

1 1809

What is keyword PFILE specifies ?

1 1862

What is a Join Logical File, Can it be used for Update ?

1 1965

Is it possible to join the same file to itself ?

1 1869

What does SDA stands for ?

1 1855

Un-Answered Questions { MainFrame }

What is journal recovery?

1099

Why did you choose to work with ibm mainframe cobol programming?

1166

Differentiate between addressing mode and run mode.

1140

How to traceback if I am getting SOC7 or SOC4 abend? List down the steps

5432

what is the use of dspatr(mdt) keyword?

2339

how to read database records without locking them?

1935

how do you reference the variable block file formats from cobol programs

1313

What is the difference between hdam and hidam databases?

1213

what are the various types of device files?

1753

Why block size is multiple of lrecl in jcl?

1478

define the purpose of the leave operation?

1698

What is the difference between access path and open data path?

1170

How is the value function used?

1214

What is universal database?

1124

What is database alias db2?

1184

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