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IBM MainFrame Interview Questions
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Consider the below example call a-test1. -- -- -- a-test1. if a=b perform a-test through a-exit next sentence else if b=c perform c-test through c-exit. if a=d perform d-test through d-exit. a-test. -- -- a-exit. exit. can u tell me what will happen if a=b after looping into a-exit will the control go back to a- test1. will the condition a=d be checked???

IBM,

5 5832

once we submitted the job to the operating system, how can we cancel the job before execution?

 2 5117

are we use the group by clause in cursors?

Cap Gemini,

3 8756

what is the differences between spufi and qmf and which is better?

Accenture, Cap Gemini,

4 10099

here is my requirement A1 is alphanumeric with value 'A1B2C3D4' as defined below 05 A1 PIC X(8) VALUE IS 'A1B2C3D4' but i need to have A2,A3 as ABCD & 1234 repectively...... A2 = ABCD A3 = 1234 Can you please explain me what are the different ways to do it?

IBM,

2 6780

what is the difference between task and transaction in cics?

 5 19800

suppose i have job it contains 10 steps after exicution of job failuer at 3 and 7 th steps i want exicute step 3 and step 7 only how we specify condition ?

 5 7599

how we can reverse the string in the cobol for example satheesh can be reveresed as hseehtas

IBM,

3 47418

1.What is the default print format in cobol?

HSBC,

5 17111

. How do we cast a variable in COBOL

HSBC,

1 11590

is there any possibilities for sumbitting more than one job in single jcl? if yes...based on which thing they will execute..(priority,class,time,written order..?)

HSBC,

3 9256

I am getting the file from Unix to Mainframes for every 15 minutes. The mainframe job get abended with bad records coming from unix. I recovered that by deleting the bad data. I need permenant solution how to fix the issue? The record is getting characters in in first 9 positions which it should not. Please provide me the solution how to skip the records if it finds the charcters in the first 9 positions. K

 3 5910

In case you modify the attribute field of map do you need to recompile the map?

RBS,

5 11150

I have two files , file1 is input file it contains 10,20,30,....,records but i want to display the records in file 2 as reverse order .how can we do by using jcl& cobol(dont use array) please any one can tell me the answer

GreenTree, IBM,

3 8489

how to increase the space of a dataset in instream procedure.

HCL,

1 7357

Un-Answered Questions { IBM MainFrame }

What is sysplex?

499

What is load utility in db2?

654

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

603

how can you prevent more than one user from accessing the same transient data queue?

600

What is redefines clause in COBOL?

837




What are the utility programs in jcl?

639

What are the prerogatives?

609

What is release/acquire in bind?

641

Give some examples of command terminators?

746

What is copy pending status in db2?

625

Which components manage deadlocks in db2?

600

What is an instance in db2?

555

I HAVE 500 ROW TO UPDATE I WOULD LIKE TO USE ROLLBACK ALONG WITH COMMIT.WHAT IS THE SYNTAX TO CODE COMMIT AND ROLLBACK FOR EVERY 100 ROWS.AND HOW THE CURSOR ROLLBACK TO THE LAST COMMITTING POINT.

2744

Are views updateable?

635

What is the biggest disadvantage of using a vsam dataset?

591

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