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 1864

What are all the compiler directive statements?

1 1830

What is SAA?

1 1647

What is the Function of PDM?

1 1699

What is the function of SEU ?

1 1683

What is the use of SDA ?

1 1758

What is a library list ?

1 1595

What is the difference between Physical and Logical files ?

1 1775

What does the keyword UNIQUE mean ?

1 1796

What is FCFO, FIFO, LIFO in Database environment ?

1 1746

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

1 1731

What is keyword PFILE specifies ?

1 1794

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

1 1886

Is it possible to join the same file to itself ?

1 1784

What does SDA stands for ?

1 1782

Un-Answered Questions { MainFrame }

What is comp-1 and comp-2?

1230

What is null indicator in cobol db2?

1067

what is match field indicator?

1737

What is the distinction amongst include and copy?

980

What are steplib and joblib?

1170

what is the function of cpyf command?

1670

Explain dd statement in jcl?

1129

when an xctl is done, does the tranid change ? Is a new task created ? Does it cause an implicit syncpoint to be issued ?

1228

Name and explain the location modes?

892

Define buffer pool.

1055

Apart from opening of a file do we have any other use of USROPN?

1387

explain the difference between defining subfile and message-subfile?

1870

How do you differentiate between cobol and cobol-ii?

1211

What guidelines should be followed to write a structured cobol prgm?

1148

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

1122

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