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

Explain the index set?

1091

Explain the purpose of the file status clause in the select statement?

993

Explain the significance of the shareoptions parameter?

1012

Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?

1154

What is the purpose of idcams?

1049

What does the keyranges parameter in define cluster command do?

1051

Define free space?

1057

Define a path?

1087

Define base cluster?

1011

What are the common vsam error conditions and codes?

1084

What is recovery parameters in define cluster command?

1057

Tell me how many alternate indexes you can have on a dataset?

1101

Define gdg?

990

Explain the difference between lds and esds?

1034

What are the different versions of gdg named?

991

Un-Answered Questions { MainFrame }

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2394

Explain what are the various isolation levels possible?

1044

What are the different types of base tables?

1094

Define data page.

1070

How the interaction between DB2, SQL, and QMF takes place?

1655

What is the maximum size of a char data type in db2?

1011

What are the objectives of dbms in ims?

1090

what do you mean by the repro command?

1099

what are JCLLIB and STEPLIB in JCL?

1176

Which Search verb is equivalent to PERFORM…VARYING?

1043

What is the meaning concurrency in the db2 database?

1110

How to update data area in cobol 400 program?

1048

can you debug ile rpg program using isdb?

1267

how long does the install of oorexx take?

1013

Name the two types of transient data queues?

1051

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