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

Can we update with histogram?

2 9819

difference between read(1) and read work file once ?

3 10277

differnce between read work file 1 and read work file once? why we are using work file once?

4 17813

how we can find occurence of MU and PE fileds in a file?

2 8521

how to move cursor to a particular field when position is not known?

3 10768

how many work file we can code in jcl?

2 9333

difference between escape(top or bottom) and escape immediate(top or bottom?

CTS,

3 22005

Is Constent can be define as a key field?

3 7897

Is it possible to create a logical file whose Physical file is not in same library?

6 14586

Is LDA can be access accross the Job?

9 14816

What is the purpose of the SDSNLOAD dataset in the STEPLIB while running DB2 programs?

2 14389

Explain fixed length record in cobol? with suitable example

IBM,

1 5688

What is the purpose of coding FETCH in a SQL SELECT query? Explain with an example in Detail?

4 7987

We are using the searching a table which is indexed, once the key is found, how can we get the occurance at which the key was found.

1 4514

I have a files containing both duplicate and non-duplicate records.The file is already sorted by a key.I want to determine those records that are duplicate and records that are non-duplicate.If duplicate the record is move to a duplicate file and if non-duplicate that will be move to valid file.thank you

1 5267

Un-Answered Questions { MainFrame }

what is the maximum number of fields under a record format of physical file?

1860

What is the difference between version control and debugging tools?

1062

What Does 'sr' In Columns 7-8 Of C Specs Mean?

1746

What is the main function of linear dataset?

1091

What is copy pending and check pending in db2?

1007

Who uses db2?

1057

is it compulsory commitment control in journal?

2484

How to print 10 to 1 if the input have only 10 digit number?

1264

What is the structure and definition for the same?

1013

Which isolation level provides maximum concurrency?

1159

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1204

Explain the difference between and exec cics xctl and exec cics start command?

1157

Why occurs cannot be used in 01 level in COBOL?

1165

State the various causes of s0c1, s0c5 and s0c7.

1094

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1097

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