On Fri, Apr 25, 2014 at 3:27 PM, Chris Bipes <chris.bipes@xxxxxxxxxxxxxxx>wrote:
That is exactly why programmers created Logical Files with just the fields
they needed for their program. You could change the physical but the
logical would remain unchanged. In my opinion that was a bad idea.
Why is that a bad idea?
Unless the keys don't already exist in another logical, there's no
additional overhead beyond a few bytes of disk.
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