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ramvivek
New User
Joined: 23 Oct 2006
Posts: 13
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why shoould we copy a dummy record to VSAM before we use the same in COBOL program ? What is the mechanism behind it ?
Thanks,
Ramkumar M. |
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murmohk1
Senior Member
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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Ram,
Empty VSAM can't be opened in INPUT mode. It throws an error. |
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ramvivek
New User
Joined: 23 Oct 2006
Posts: 13
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Murali,
But what makes the diff between a flat file and VSAM in this aspect . We dont have to create a dummy rec for flat file. Then why it is needed for a VSAM ? |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| Because VSAM is a totally different access method designed by IBM, |
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