IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

What's a LDS (Linear Data Set) and what's it used for?

Cap Gemini, Steria,

1 18814

What is IDCAMS ?

2 8405

Can AMS commands be run from the TSO prompt ?

IBM,

1 6226

Syntax of AMS modal commands ?

IBM,

1 7401

Under IDCAMS , multiple functions can be executed, each of which returns a cond code. What will be the condition code returned to the operating system ?

IBM,

1 5756

What is Control Interval, Control Area?

1 5143

What is FREESPACE ?

2 6227

How do you decide on optimum values for CI, FREESPACE etc...?

1 4708

Would you specify FREESPACE for an ESDS?

1 7731

What is SHAREOPTS ?

2 8150

What is the meaning of each of the values in SHAREOPTS(2 ?

1 6203

How do you define a KSDS ?

IBM,

1 6593

How do you define an ALTINDX ? How do you use ALTINDXs in batch, CICS pgm?s ?

IBM,

2 7407

Using Alternate Indexes in Batch pgms: ?

IBM,

2 8352

Using Alternate Indexes in CICS pgms: ?

1 9370

Un-Answered Questions { IBM MainFrame }

Tell about how do you eliminate the duplicates?

1072

What does reorg do in db2?

1097

What is Framework & How it work?

2172

How do I delete a column in db2?

1164

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

3137

what are the statements that are not valid to be included in an include statement?

1443

What do you mean by between and in? Is between inclusive of specified range values?

1147

What is bind plan?

1104

What is an instance database?

1103

in order to execute step2 a job after a return code of 8 in step1, what condition you will code in step2?

2815

What is the meaning of the eibaid field?

989

A chkpt is the parameter coded for multi-volume qsam datasets in a dd statement. When a chkpt is coded as chkpt=eov, a checkpoint is written to the dataset specified in the sysckeov statement at the end of each volume of the input/output multi-volume dataset. State whether true or false?

1362

How many bytes does a s9(7) comp-3 field occupy ?

1013

Suppose I have five jobs to do. But I want to hold one?

1186

what are the common errors that occured while programming in AS/400?

1586

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