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 does a status return code of nn29 mean in relation to record locks?

1 2253

Why would you use find and get rather than an obtain?

2 2845

What is a bind?

1 2762

Is there a application program coding difference between local and central version mode?

1 3983

If you are current on the owner of a set, what is the difference between an obtain next and obtain first?

2 2922

How many types of queries does QMF offers?

1 2851

What is Structured Query Language (SQL)?

1 2662

What is Prompted Query?

1 2739

What is Query By Example (QBE) ?

1 3343

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

1576

What is the use of ERROR Log ?

1 3011

How to run a query using Run Query?

1 2484

How to view the Results of a Query?

1 2455

How to Clear a Query Using the RESET Command ?

1675

How to Provide Column Names Using the DRAW Command ?

1480

Un-Answered Questions { MainFrame }

How do you handle exception in PL/1?

1618

What is deadlock in db2?

1029

How jcl work to handle various input output file operations?

1104

What are 77 levels used for?

1067

Explain the biggest disadvantage of using a vsam dataset?

997

What is temporal table in db2?

995

What is the worst thing that you’ve seen on a day?

909

How do u design a physical file, when you have 2 Unique fields like for eg in A student file student ID and student examination no both are unique

965

What are sqlcodes –803,-805, -811, -818,-904,-911,-913,-101, +100?

1129

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23581

Explain how do you handle errors in cics programs?

949

I executed one job and I forget to save the final JCL. But took an XDC from SPOOL. Now I want to recover the JCL from XDC dataset. Is there any process to do this?. (Manually it takes a lot of time). Is there

3011

Why db2 is called db2?

981

Name a few IBM utility programs, and explain its function.

4913

Explain the maximum number of levels allowed in ims db?

3745

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