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Filtering 2 Files
How to filter 2 different files with one common field and write records from one of the files to an output file?
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Status Code
What will be the status code of open empty VSAM file?
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COMP variables
How to view the value of COMP variables?
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Combining first two rec as one rec in third file.
I am having file1 and file2, and result should be as follows in file3
file1 file2 file3
1 11 111
2 12 212
3 13 313
4 14 414
5 15 515
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SOC7 Abend Record Identification
How to identify the record that caused the SOC7 abend in a batch program? Suppose there are 1000 records in the input file. how can we find the exact record?
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Pass Values from COBOL to JCL
How can we pass values from COBOL to JCL?
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Access Mode
In which file (sequential, indexed, relative) can all access mode be used (input,output.i-o,extend)?
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Access VSAM from CICS
How to access VSAM from CICS?
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Large File merging with condition
I have 3 files . 2 files have millions of records.These 2 files have one ( empnumber) common record field. i want to put those records in 3rd file , such that which records having same number in key field (empnumber)in these two files ?
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Read Sequential File
How to read sequential file in reverse order?
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Sort Data in File
In COBOL, How to sort data in a file without using the sort command?
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Maximum Size of DFHCOMMAREA
What can be the maximum size of DFHCOMMAREA?
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Mainframe developer Questions
This is Sahasra, I am trying for a job as a Mainframe developer. I am attending the interview as a 3+ candidate. The real time questions like:
1)Tell me about your project
2)tell what is the recent change request you have got?
3)what are the difficulties you faced?
4)what are the abend codes you got and how you resolved them -
What does return code code 0099 mean?
One of my JCL steps returns the code 0099 and my job fails.
Mainframe Interview Questions
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