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 9261

What is a clustered index?

1 12440

When will you chose to run RUNSTATS?

1 9383

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

IBM,

3 9666

What is meant by a unit of recovery?

1 6495

What is CHECK PENDING ?

5 19905

What is a thread?

3 8108

What is filter factor?

2 10640

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

IBM,

1 9289

What are PACKAGES ?

3 9013

Which catalog tables contain authorization information?

1 6121

Is DECLARE TABLE in DCLGEN necessary? Why it used?

3 9663

How does one remove entries from the SCT02 table?

1 4579

what is the difference between join and union?

IBM,

4 18782

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

2 9838

Un-Answered Questions { MainFrame }

What is the maximum value that can be stored in s9(8) comp?

1044

how to run other job when one job is active?

1015

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

1340

how do you intitiate another transaction?

1167

How is the value function used?

1152

What is the meaning of the deq command?

1142

What is the maximum No of rows per page?

1065

i want to maintain uniqueness on pdf without make lf??????????

2153

Highlight all the advantages that are attached to a package.

1111

How to override loadlib?

2032

What does EIB mean in CICS?

1169

How to take backup of table in db2?

1069

give an eg of ACQ-(ACQUIRE),BIT OFF,BIT ON,DEALLOC,DUMP,FEOD,FORCE,MHHZO,MHLZO,MHLLZO,MLHZO,REL,RESET,TESTZ,TESTB,TESTN----GIVE SMALL EXAMPLE TO THE OPCODES...TO UNDERSTAND FUNCTIONING...........

3829

in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from

2182

what the purpose of ovrdta, ovrata keywords?

1958

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