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

How do you filter out the rows retrieved from a Db2 table ?

1 9286

What is a clustered index?

1 12459

When will you chose to run RUNSTATS?

1 9407

What does DML stand for and what are some examples of it?

IBM,

3 9703

What is meant by a unit of recovery?

1 6514

What is CHECK PENDING ?

5 19949

What is a thread?

3 8147

What is filter factor?

2 10675

What's the maximum number of volumes that can be added to a STOGROUP?

IBM,

1 9314

What are PACKAGES ?

3 9036

Which catalog tables contain authorization information?

1 6137

Is DECLARE TABLE in DCLGEN necessary? Why it used?

3 9693

How does one remove entries from the SCT02 table?

1 4604

what is the difference between join and union?

IBM,

4 18825

I use CS and update a page. Will the lock be released after I am done with that page?

2 9864

Un-Answered Questions { MainFrame }

State the differences between vsam and non-vsam files?

1061

What is rebind in db2?

1073

Which is faster delete or truncate?

1137

Explain the jcl exec statement?

1157

List some fields from sqlca?

1065

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

919

Explain how and where is the twa size set?

1097

under given circumstances, my cgi should link to another site. How to implement this?

1025

Explain how to find occurrence of mu and pe fields in a file?

938

Why do chiropractors use drop table?

1115

Can you define cics task?

1122

when does a dataset go uncataloged?

1325

What is ibm db2 connect?

1008

What is commit in db2?

1065

What does db2 plan contain?

1031

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