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VSAM-ESDS-AIX
When its not possible to read ESDS file randomly through COBOL program then what is the use of creating AIX for that file? If reading that file randomly is possible then plz give me the details. I tried but without success.


  
Total Answers and Comments: 3 Last Update: April 15, 2009     Asked by: kishoremain 
  
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August 02, 2008 07:38:00   #1  
hmp_8304 Member Since: August 2008   Contribution: 3    

RE: VSAM-ESDS-AIX
You can not use VSAM-ESDS with AIX in Cobol Batch Program you can use only in CICS-Cobol Program
 
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April 15, 2009 11:45:02   #2  
dhs01 Member Since: April 2009   Contribution: 24    

RE: VSAM-ESDS-AIX
I believe AIX is built on either RBA or RRA (Relative byte address or relative record address) so if you did a read using these you should be able to 'randomly' read the file. I believe you would also have to request something like skip sequential processing.
 
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April 15, 2009 11:48:02   #3  
dhs01 Member Since: April 2009   Contribution: 24    

RE: VSAM-ESDS-AIX
Basically the previous answers have all hit around the issue. My understanding is that you should use IMPORT and EXPORT if you want to take a dataset that is in one catalog and get it into another catalog. REPRO is fine for creating a backup copy.
 
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